millimeter definition: 1. a unit of length that is equal to 0.001 meters 2. a unit of measurement of length equal to 0.001…. Learn more. It may be defined as the pressure exerted by a column of water of 1 mm in height at 4 °C (temperature of maximum density) at the standard acceleration of gravity, so that 1 mmH2O (4°C) = 999.9720 kg/m × 9.80665 m/s × 1 mm = 9.8063754138 Pa ≈ 9.80638 Pa, but conventionally a nominal maximum water density of 1000 kg/m³ is used, giving 9.80665 Pa. A gram is a unit of weight and a liter is a unit of volume. Millimetre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Millimeter waves are electromagnetic (radio) waves typically defined to lie within the frequency range of 30–300 GHz. A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter. Digital callipers are commonly capable of reading increments as small as 0.01 mm. The si… Millimeters. Millimeter wave (MM wave), also known as millimeter band, is the band of spectrum with wavelengths between 10 millimeters (30 GHz) and 1 millimeter (300 GHz). The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. The dots are only a quarter of a millimetre across. Learn a new word every day. “Millimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millimeter. One millimetre is equal to 1000 micrometres or 1000000 nanometres. What does millimeter mean? Rulers also come in many material forms, such as plastic, fabric, metal and wood. For the purposes of compatibility with Chinese, Japanese and Korean (CJK) characters, Unicode has symbols for: In Japanese typography, these square symbols were historically[when?] However, mmWave is not without its challenges. From: Counterterrorist Detection Techniques of Explosives, 2007 SI derived unit of length equalling 1 metre (SI standard prefix "micro-" = 10 −6 ); that is, one millionth of a metre (or one thousandth of a millimetre, 0.001 mm, or about 0.000039 inch). millimetre Using opto-encoders it is possible to manoeuvre the tip within a few millimetres of the desired location. noun a unit of length equal to one thousandth of a meter and equivalent to 0.03937 inch. There are ten millimetres in a centimetre. A micrometer is a thousand times smaller than a millimeter. Can you spell these 10 commonly misspelled words? The abbreviation is mm There are 1000 mm in one meter. Most credit cards (and other … Look it up now! Antonyms for millimeter. British English: millimetre / ˈmɪlɪˌmiːtə / NOUN A millimetre is a metric unit of length equal to one tenth of a centimetre. What are synonyms for millimeter? — English word, define in Dutch — millimetre n. (natuurkunde), (wiskunde), (eenheid) millimeter. Metric conversions and more [1] A millimetre, 1/1000 of a metre, is therefore the distance travelled by light in 1/299792458000 of a second. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. High range bands provide huge amounts of capacity across a limited geographical area. Among the 23 film reels restored for use were eight-, In a bioRxiv preprint last month, Afraz and colleagues describe a possible alternative: a 5-square-, The team predicted that colonies of this bacteria more than 1, Without any aid, a normal human eye with 20/20 vision can clearly view up to only about five kilometers (about three miles) in the distance and can distinguish an object as small as about 0.1. Millimeters. [6] A sheet of paper is typically between 0.07 mm and 0.18 mm thick, with ordinary printer paper or copy paper approximately a tenth of a millimetre thick. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. The definition of a millimeter is one-thousandth of a meter. A common shortening of millimetre in spoken English is "mil". ... Oh yes, there are lots of smaller measurements than a millimeter. See the full definition for millimeter in the English Language Learners Dictionary, Nglish: Translation of millimeter for Spanish Speakers, Britannica English: Translation of millimeter for Arabic Speakers. While low-level 700MHz might be useful in spreading 5G to rural locations, it's not suitable for providing the reliable connectivity required in a busy urban location. What made you want to look up millimeter? Using wavelengths between 30 GHz and 300 GHz for data transmission, in contrast to the 300 MHz to 3 GHz normally used in mobile devices, has the potential to allow data transfer rates of 10 gigabits per second. Commonly used units shown in, "17th General Conference on Weights and Measures (1983), Resolution 1", https://en.wikipedia.org/w/index.php?title=Millimetre&oldid=998440224, Short description is different from Wikidata, All articles with vague or ambiguous time, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 January 2021, at 11:16. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre. Definition: The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). French millimètre, from milli- + mètre meter. ‘With these branching patterns, roots can be characterized by fractal analysis over a range of scales from about a quarter of a millimetre to several centimetres.’ [5], The smallest distances the human eye can resolve is around 0.02 to 0.04 mm, approximately the width of a thin human hair. It is also known as the extremely high frequency (EHF) band by the International Telecommunication Union ().Advantages of millimeter wave millimeter (mm, millimetre): A millimeter (abbreviated as mm and sometimes spelled as millimetre) is a small unit of displacement (length/distance) in the metric system . The scientists found four distinct layers, each a few centimeters thick, of brownish, The home internet service will run on its high-frequency, In the interview, Trump is quintessentially Trump, which is to say petulant, astoundingly dishonest and a, Post the Definition of millimeter to Facebook, Share the Definition of millimeter on Twitter, Words From 1921: 100 Years Old and Still Around, The Difference Between 'Libel' and 'Liable', 'Talented': That Vile and Barbarous Vocable. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre. Delivered to your inbox! Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). The small lines on this ruler show mm. Definition of millimeter : a unit of length equal to ¹/₁₀₀₀ meter — see Metric System Table Examples of millimeter in a Sentence Recent Examples on the Web Among the 23 film reels restored for use were eight-millimeter home movies of the Brothers Gibb as children growing up in Australia. The millimetre is part of a metric system. Therefore, there are one thousand millimetres in a metre. The millimetre is smaller than a metre. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! The microwave band is just below the millimeter-wave band and is typically defined to cover the 3–30-GHz range. Centimeters can be abbreviated as cm and millimeters can be abbreviated as mm. millimeter (n.) also millimetre, "one-thousandth part of a meter," 1802, from French millimetre; see milli- + meter (n.2). There are 12 inches in a foot, and 36 inches in a yard. Millimetre Design, is a leading interior design and branding studio in a variety of sectors including food, hotel, retail, bar / restaurant and office. The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). An inch is a unit of length equal to exactly 2.54 centimeters. Send us feedback. 'Nip it in the butt' or 'Nip it in the bud'. used for laying out unit symbols without distorting the grid layout of text characters. Since an inch is officially defined as exactly 25.4 millimetres, a millimetre is equal to exactly ​5⁄127 (≈ 0.03937) of an inch. From the Cambridge English Corpus These fragments were then broken open again, with … límetre n. millimeter. This can cause confusion since in the United States, "mil" traditionally means a thousandth of an inch. There are 12 inches in a foot, and 36 inches in a yard. The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. One millimeter is equal to one-thousandth (1/1,000) of a meter, which is defined as the distance light travels in a vacuum in a 1 / 299,792,458 second time interval.. An inch is a unit of length equal to exactly 2.54 centimeters. A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter. [7], Ruler with millimetre and centimetre marks, From smallest to largest (left to right). There are ten millimetres in a centimetre. The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Millimeter. History/origin: The milli- prefix is one of many metric prefixes. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millimeter.' millimeter, mm metric linear unit - a linear unit of distance in metric terms micrometer, micron - a metric unit of length equal to one millionth of a meter centimeter, centimetre, cm - a metric unit of length equal to one hundredth of a meter Therefore, there are one thousand millimetres in a metre. Millimetre (mm), also spelled millimeter, unit of length equal to 0.001 metre in the metric system and the equivalent of 0.03937 inch. A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. Therefore, there are one thousand millimetres in a metre. So where mmWave is key for 5G rollout is in dense city zones where there's need for high capacity - in other words, there are a lot of devices. Synonyms for millimeter in Free Thesaurus. A standard 12-inch ruler is 30 centimeters long. The ruler can measure up to 300 mm (the "30" means 30 centimeters which equals 300 millimeters) … Millimetre of water (US spelling millimeter of water) is a unit of pressure. A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. [3] High-quality engineering rulers may be graduated in increments of 0.5 mm. The millimetre is part of a metric system. On a metric ruler, the smallest measurements are normally millimetres. Please tell us where you read or heard it (including the quote, if possible). Estimating Millimeters with a Credit Card Grab a normal credit card. 'All Intensive Purposes' or 'All Intents and Purposes'? [4], Microwaves with a frequency of 300 GHz have a wavelength of 1 mm. 2 synonyms for millimeter: millimetre, mm. Since 1983, the metre has been defined as "the length of the path travelled by light in vacuum during a time interval of .mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;white-space:nowrap}1/299792458 of a second". Test Your Knowledge - and learn some interesting things along the way. Accessed 6 Jan. 2021. A Metric measure of distance used for small lengths. noun One thousandth of a metre (0.039 in.). Rulers can come in many forms with different size and fractional divisions depending on the application that the ruler is intended for. It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second. And fractional divisions depending on the application that the ruler is intended for desired location example are! 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