(Mi`cro*zo"ö*spore) n. [Micro- + zoöspore.] (Bot.) A small motile spore furnished with two
vibratile cilia, found in certain green algæ.
(Mi"cro*zyme) n. [Micro- + Gr. zy`mh leaven.] (Biol.) A microörganism which is supposed
to act like a ferment in causing or propagating certain infectious or contagious diseases; a pathogenic
(Mic`tu*ri"tion) n. [L. micturire to desire to make water, v. desid. fr. mingere, mictum, to
make water.] The act of voiding urine; also, a morbidly frequent passing of the urine, in consequence of
(Mid) a. [Compar. wanting; superl. Midmost.] [AS. midd; akin to OS. middi, D. mid OHG. mitti,
Icel. miðr, Goth. midjis, L. medius, Gr. me`sos, Skr. madhya. &radic271. Cf. Amid, Middle, Midst,
Mean, Mediate, Meridian, Mizzen, Moiety.]
1. Denoting the middle part; as, in mid ocean.
No more the mounting larks, while Daphne sings,Pope.
Shall list'ning in mid air suspend their wings.
2. Occupying a middle position; middle; as, the mid finger; the mid hour of night.
3. (Phon.) Made with a somewhat elevated position of some certain part of the tongue, in relation
to the palate; midway between the high and the low; said of certain vowel sounds; as, a e o See
Guide to Pronunciation, §§ 10, 11.
Mid is much used as a prefix, or combining form, denoting the middle or middle part of a thing; as,
mid-air, mid-channel, mid-age, midday, midland, etc. Also, specifically, in geometry, to denote a circle
inscribed in a triangle or relation to such a circle; as, mid-center, midradius.
(Mid), n. Middle. [Obs.]
About the mid of night come to my tent.Shak.
(Mid), prep. See Amid.
(Mi"da) n. [Gr. a destructive insect in pulse.] (Zoöl.) The larva of the bean fly.
(Mi"das) n. [So called from L. Midas, a man fabled to have had ass's ears.] (Zoöl.) A genus of
longeared South American monkeys, including numerous species of marmosets. See Marmoset.
(Mi"das's ear") [See Midas.] (Zoöl.) A pulmonate mollusk (Auricula, or Ellobium, aurismidæ);
so called from resemblance to a human ear.
(Mid"brain`) n. [Mid, a. + brain.] (Anat.) The middle segment of the brain; the mesencephalon.
(Mid"day`) n. [AS. middæg. See Mid, a., and Day.] The middle part of the day; noon.
(Mid"day`), a. Of or pertaining to noon; meridional; as, the midday sun.
(Mid"den) n. [Also midding.] [Cf. Dan. mögdynge, E. muck, and dung.]
1. A dunghill. [Prov. Eng.]
2. An accumulation of refuse about a dwelling place; especially, an accumulation of shells or of cinders,
bones, and other refuse on the supposed site of the dwelling places of prehistoric tribes, as on the
shores of the Baltic Sea and in many other places. See Kitchen middens.