Am

Dictionary definition · AM

noun

a master's degree in arts and sciences
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
the period between midnight and noon"Made in the A.M."
modulation of the amplitude of the (radio) carrier wave
the period between midnight and noon"Made in the A.M."

adverb

before 12 noon"let's meet at 11 A.M."
before 12 noon"let's meet at 11 A.M."

Similar words

Artium Magister MA Master of Arts A.M.a.m.ante meridiem americium atomic number 95 amplitude modulation

Source: Open English WordNet (CC BY 4.0).