millimn.
/ˈmɪlᵻm/, U.S. /ˈmɪlᵻm/ Now disused.
= millimetre n.
ΘΚΠ
the world > relative properties > measurement > measurement of length > [noun] > units of length or distance > metre > the thousandth part of a metre
millimetre1797
millim1862
mill1877
1862 Sci. Amer. 3 May 277/1 The ends of these tubes, the length of which varied, according to the substance employed, from twenty to forty-five millims., were ground flat.
1876 Mind 1 167 Whereas the height of the contractions rose from 1.5 to 4 millim., the reflex period fell from 0.027 to 0.015 sec.
1883 Ann. & Mag. Nat. Hist. Oct. 237 Length of abdomen, ♂ 37 millim.; length of posterior 24½ millim.; expanse 51 millim.
1899 London, Edinb., & Dublin Philos. Mag. 5th Ser. 48 463 The third subsection w, from millims (millimètres) down to tenths of a micron, covers the entire range of the microscope.
1902 Biometrika 1 190 Where C = capacity in cubic centims, L and B the length and breadth of the skull in millims.
1916 Biometrika 11 275 (table) Millims.
This is a new entry (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1862