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English Words Starting With M

8,594 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

millidegree
nounC2 (Proficient User / Very Rare)
/ˈmɪlɪdɪˌɡriː/A unit of measurement equal to one thousandth of a degree, used primarily in scientific contexts to denote very small temperature differences or angular measurements.
millie
nounLow
/ˈmɪli/A primarily informal, often affectionate, diminutive form of the female given name Millicent, or sometimes Mildred or Amelia.
millieme
nounC2
/mɪˈljeɪm/A thousandth part of something; one of a thousand equal parts.
milliequivalent
nounVery Low / Technical / C2
/ˌmɪl.i.ɪˈkwɪv.əl.ənt/A unit of measurement in chemistry representing one thousandth (10⁻³) of an equivalent weight, used to quantify the reactive capacity or combining power of ions in a solution.
millier
nounVery Low
/mɪlˈjeɪ/A numerical unit of one thousand, particularly of weight in France and Belgium.
millifarad
nounVery low
/ˈmɪlɪˌfærəd/A unit of electrical capacitance equal to one thousandth of a farad.
milligal
nounVery Rare / Specialized
/ˈmɪlɪɡal/A unit of acceleration equal to one thousandth of a gal (1 cm/s²), used primarily in geophysics and gravity measurement.
milligan
nounLow (as a common noun); High/Medium (as a proper noun in British/Irish cultural contexts).
/ˈmɪlɪɡən/A proper noun, primarily a surname of Irish origin.
milligram
nounB1
/ˈmɪl.ɪ.ɡræm/A unit of mass equal to one thousandth of a gram.
milligram-hour
nounC2
/ˈmɪlɪɡram ˈaʊə/A derived unit of measurement representing a total dose of one milligram of a substance (typically a drug, poison, or radioactive material) administered continuously over a period of one hour. It is a product of mass and time.
millihenry
nounLow in general English, high in technical contexts.
/ˈmɪlɪˌhɛnri/A unit of inductance equal to one thousandth of a henry.
millikan
nounLow (Proper noun, highly specialized)
/ˈmɪlɪkən/A surname, famously associated with Robert A. Millikan, the American experimental physicist who measured the charge of the electron and won the Nobel Prize in Physics in 1923.
millilambert
nounVery Low
/ˈmɪlɪˌlæmbət/A unit of luminance equal to one thousandth of a lambert, used in photometry.
milliliter
nounHigh
/ˈmɪlɪliːtə(r)/A unit of volume in the metric system equal to one thousandth of a litre.
millilitre
nounB1
/ˈmɪlɪˌliːtə/A unit of volume in the metric system equal to one thousandth of a litre.
millilux
nounVery Low
/ˈmɪlɪˌlʌks/A unit of illuminance, equal to one thousandth of a lux.
millime
nounVery Low
/ˈmɪl.iːm/A unit of currency in Tunisia, equal to one thousandth of a dinar.
millimeter
nounB2
/ˈmɪlɪmiːtə/A unit of length in the metric system equal to one thousandth of a meter.
millimetre
nounMedium (common in scientific, technical, engineering, and manufacturing contexts; less common in everyday conversation).
/ˈmɪlɪmiːtə/A unit of length in the metric system, equal to one thousandth of a metre.
millimicron
nounVery Rare / Obsolete Technical
/ˌmɪlɪˈmaɪkrɒn/A unit of length equal to one thousandth of a micron (micrometre); equivalent to one nanometre.

Showing 5201–5220 of 8594 words.