acer

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

acer argutum

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

acer campestre

shrubby Eurasian maple often used as a hedge ;

acer circinatum

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

acer glabrum

small maple of northwestern North America ;

acer japonicum

leaves deeply incised and bright red in autumn; Japan ;

acer macrophyllum

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

acer negundo

common shade tree of eastern and central United States ;

acer negundo californicum

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

acer palmatum

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

acer pennsylvanicum

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

acer platanoides

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

acer pseudoplatanus

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 ;

acer rubrum

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

acer saccharinum

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 ;

acer saccharum

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 ;

acer spicatum

small shrubby maple of eastern North America; scarlet in autumn ;

aceraceae

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

acerate leaf

as the leaf of a conifer ;

acerbity

a rough and bitter manner ; a sharp sour taste ; a sharp bitterness ;

acerola

acid red or yellow cherry-like fruit of a tropical American shrub very rich in vitamin C ; tropical American shrub bearing edible acid red fruit resembling cherries ;

acervulus

small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi ;

acetabulum

the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint ;

acetal

any organic compound formed by adding alcohol molecules to aldehyde molecules ;

acetaldehyde

a colorless volatile water-soluble liquid aldehyde used chiefly in manufacture of acetic acid and perfumes and drugs ;

acetaldol

unsaturated aldol ;

acetamide

a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds ;

acetaminophen

an analgesic for mild pain; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets) ;

acetanilid

a white crystalline compound used as an analgesic and also as an antipyretic ;

acetanilide

a white crystalline compound used as an analgesic and also as an antipyretic ;

acetate

a fabric made from fibers of cellulose acetate ; a salt or ester of acetic acid ;

acetate disk

a disk coated with cellulose acetate ;

acetate rayon

a fabric made from fibers of cellulose acetate ;

acetic acid

a colorless pungent liquid widely used in manufacturing plastics and pharmaceuticals ;

acetic anhydride

a compound that is needed in order to refine opium into heroin ;

acetin

any of three liquid acetates that are formed when acetic acid and glycerin are heated together ;

acetoacetic acid

unstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism (as diabetes mellitus or starvation) ;

acetone

the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics ;

acetone body

a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders ;

acetonemia

an abnormal increase of ketone bodies in the blood as in diabetes mellitus ;