Dictionary
am
Pronunciation: (am; unstressed um, m), [key]—
v.
1st pers. sing. pres. indic. of
be. AM
1. Asian Male.
2. Electronics.amplitude modulation: a method of impressing a signal on a radio carrier wave by varying its amplitude.
3. Radio.a system of broadcasting by means of amplitude modulation.
4. of, pertaining to, or utilizing such a system. Cf.
FMAm
—
Symbol, Chem.
americium.
Am.
1. America.
2. American.
A/m
ampere per meter.
A.M.
1. a.m.
2. Master of Arts.
a.m.
1. before noon.
2. the period from midnight to noon, esp. the period of daylight prior to noon:
Shall we meet Saturday a.m.?
3. a morning newspaper, sometimes issued shortly before midnight. Cf.
p.m.L
ante merīdiem]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.