the smallest whole number or a numeral representing this number

one of four playing cards in a deck having a single pip on its face

someone who is dazzlingly skilled in any field

proteolytic enzyme that converts angiotensin I into angiotensin II

a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey

a serve that the receiver is unable to reach

succeed at easily

score an ace against

play (a hole) in one stroke

serve an ace against (someone)

of the highest quality

an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure

the ace in the club suit

the ace in the diamond suit

the ace in the heart suit

the ace in the spade suit; sometimes taken as a portent of death

an oral beta blocker (trade name Sectral) used in treating hypertension

apathy and inactivity in the practice of virtue (personified as one of the deadly sins)

not made up of or divided into cells

a slime mold of the class Myxomycetes

lacking a centromere

not centered or having no center

a chromosome lacking a centromere

absence of the head (as in the development of some monsters)

absence of the head (as in the development of some monsters)

lacking a head or a clearly defined head

absence of the head (as in the development of some monsters)

type genus of the Aceraceae; trees or shrubs having winged fruit

small shrubby Japanese plant with leaves having 5 to 7 acuminate lobes; yellow in autumn

shrubby Eurasian maple often used as a hedge

small maple of northwestern North America having prostrate stems that root freely and form dense thickets

small maple of northwestern North America

leaves deeply incised and bright red in autumn; Japan

maple of western North America having large 5-lobed leaves orange in autumn

common shade tree of eastern and central United States

maple of the Pacific coast of the United States; fruits are white when mature

ornamental shrub or small tree of Japan and Korea with deeply incised leaves; cultivated in many varieties

maple of eastern North America with striped bark and large two-lobed leaves clear yellow in autumn

a large Eurasian maple tree naturalized in North America; five-lobed leaves yellow in autumn; cultivated in many varieties

Eurasian maple tree with pale grey bark that peels in flakes like that of a sycamore tree; leaves with five ovate lobes yellow in autumn

maple of eastern and central America; five-lobed leaves turn scarlet and yellow in autumn

a common North American maple tree; five-lobed leaves are light green above and silvery white beneath; source of hard close-grained but brittle light-brown wood

maple of eastern and central North America having three-lobed to five-lobed leaves and hard close-grained wood much used for cabinet work especially the curly-grained form; sap is chief source of maple syrup and maple sugar; many subspecies

small shrubby maple of eastern North America; scarlet in autumn

a family of trees and shrubs of order Sapindales including the maples

narrow and long and pointed; as pine leaves

the leaf of a conifer

sour or bitter in taste

harsh or corrosive in tone

cause to be bitter or resentful