Englishfor English speakers
Ac
—
noun
(= actinium)
a radioactive element of the actinide series; found in uranium ores
AC
—
noun
an electric current that reverses direction sinusoidally
In the US most household current is AC at 60 cycles per second
ace
—
noun
(= one)
the smallest whole number or a numeral representing this number
he has the one but will need a two and three to go with it
they had lunch at one
—
noun
one of four playing cards in a deck having a single pip on its face
—
noun
someone who is dazzlingly skilled in any field
—
adjective
(= A-one, crack, first-rate, super, tiptop, topnotch, top-notch, tops)
of the highest quality
an ace reporter
a crack shot
a first-rate golfer
a super party
played top-notch tennis
an athlete in tiptop condition
she is absolutely tops
—
noun
a serve that the receiver is unable to reach
—
verb
score an ace against
He aced his opponents
—
verb
serve an ace against (someone)
—
verb
play (a hole) in one stroke
—
verb
(= pass with flying colors, sail through, nail)
succeed at easily
She sailed through her exams
You will pass with flying colors
She nailed her astrophysics course
ACE
—
noun
(= Allied Command Europe)
a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey
—
noun
(= angiotensin converting enzyme)
proteolytic enzyme that converts angiotensin I into angiotensin II