A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Learn more. Millimeter waves are electromagnetic (radio) waves typically defined to lie within the frequency range of 30–300 GHz. 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. Centimeters can be abbreviated as cm and millimeters can be abbreviated as mm. [7], Ruler with millimetre and centimetre marks, From smallest to largest (left to right). These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millimeter.' Most credit cards (and other … Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). Millimeters. Look it up now! The millimetre is smaller than a metre. millimeter (n.) also millimetre, "one-thousandth part of a meter," 1802, from French millimetre; see milli- + meter (n.2). … From: Counterterrorist Detection Techniques of Explosives, 2007 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 A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter. Synonyms for millimeter in Free Thesaurus. The microwave band is just below the millimeter-wave band and is typically defined to cover the 3–30-GHz range. Rulers can come in many forms with different size and fractional divisions depending on the application that the ruler is intended for. 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. Millimetre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The definition of a millimeter is one-thousandth of a meter. ... Oh yes, there are lots of smaller measurements than a millimeter. 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. Accessed 6 Jan. 2021. 'All Intensive Purposes' or 'All Intents and Purposes'? The small lines on this ruler show mm. History/origin: The milli- prefix is one of many metric prefixes. [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. “Millimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millimeter. What are synonyms for millimeter? The si… 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 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). The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. millimetre Using opto-encoders it is possible to manoeuvre the tip within a few millimetres of the desired location. [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. 2 synonyms for millimeter: millimetre, mm. Delivered to your inbox! One millimetre is equal to 1000 micrometres or 1000000 nanometres. Estimating Millimeters with a Credit Card Grab a normal credit card. An inch is a unit of length equal to exactly 2.54 centimeters. On a metric ruler, the smallest measurements are normally millimetres. A common shortening of millimetre in spoken English is `` mil '' is. Metre, is a metric measure of distance used for small lengths length to... Of many metric prefixes Dictionary.com, a free online dictionary with pronunciation, synonyms and translation smaller measurements than millimeter! 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