MICROMETER n.
, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass. Circular, or Ring, micrometer, a metallic ring fixed in the focus of the object glass of a telescope, and used to determine differences of right…
MILL n.
, etc. See under Edge, Flint, etc. -- Mill bar (Iron Works), a rough bar rolled or drawn directly from a bloom or puddle bar for conversion into merchant iron in the mill. -- Mill cinder, slag from a puddling furnace. -- Mill head, the head of water employed to turn the wheel of a mill. -- Mill pick, a pick for dre…
MINCE v.
uppress or weaken the force of; to extenuate; to palliate; to tell by degrees, instead of directly and frankly; to clip, as words or expressions; to utter half and keep back half of. I know no ways to mince it in love, but directly to say -- "I love you." Shak. Siren, now mince the sin, And mollify damnation with a phr…
NITROPRUSSIC a.
ing to, derived from, or designating, a complex acid called nitroprussic acid, obtained indirectly by the action of nitric acid on potassium ferrocyanide (yellow prussiate), as a red crystalline unstable substance. It forms salts called nitroprussides, which give a rich purple color with alkaline subphides.…
O interj.
An exclamation used in calling or directly addressing a person or personified object; also, as an emotional or impassioned exclamation expressing pain, grief, surprise, desire, fear, etc. For ever, O Lord, thy word is settled in heaven. Ps. cxix. 89. O how love I thy law ! it is my meditation all the day. Ps. cxix. 97.…