Zygocactus truncatus
1: South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera [syn: {crab cactus}, {Thanksgiving cactus}, {Schlumbergera trun...
zygodactyl
1: (of bird feet) having the first and fourth toes directed backward the second and third forward [ant: {heterodactyl}]
zygodactyl foot
1: having the first and fourth toes of each foot directed backward and the second and third forward [ant: {heterodactyl foot}]
zygoma
1: the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone [syn: {zygomatic arch}, {arcus zygomaticus}]
zygomatic
1: of or relating to the cheek region of the face
zygomatic arch
1: the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone [syn: {zygoma}, {arcus zygomaticus}]
zygomatic bone
1: the arch of bone beneath the eye that forms the prominence of the cheek [syn: {cheekbone}, {mala}, {malar bone}, {jugal bone}, {os zygomaticum}]
zygomatic process
1: a slender process of the temporal bone that strengthens the zygomatic arch
zygomorphic
1: capable of division into symmetrical halves by only one longitudinal plane passing through the axis [syn: {bilaterally symmetrical}, {zygomorphous}] [ant: {actinomorphic}]
zygomorphous
1: capable of division into symmetrical halves by only one longitudinal plane passing through the axis [syn: {zygomorphic}, {bilaterally symmetrical}] [ant: {actinomorphic}]
Zygomycetes
1: class of fungi coextensive with subdivision Zygomycota [syn: {class Zygomycetes}]
Zygomycota
1: division of fungi having sexually produced zygospores [syn: {subdivision Zygomycota}, {Zygomycotina}, {subdivision Zygomycotina}]
Zygomycotina
1: division of fungi having sexually produced zygospores [syn: {Zygomycota}, {subdivision Zygomycota}, {subdivision Zygomycotina}]
Zygophyllaceae
1: small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum; Tribulus; Guaiacum: Larrea [syn: {family Zygophyllaceae}, {bean-caper family}]
Zygophyllum
1: usually tropical herbs or shrubs having ill-smelling foliage and flower buds that are used as capers: bean capers [syn: {genus Zygophyllum}]
Zygophyllum fabago
1: perennial shrub of the eastern Mediterranean region and southwestern Asia having flowers whose buds are used as capers [syn: {bean caper}, {Syrian bean caper}]
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Zygoptera
1: damselflies [syn: {suborder Zygoptera}]
zygospore
1: a plant spore formed by two similar sexual cells
zygote
1: the cell resulting from the union of an ovum and a spermatozoon (including the organism that develops from that cell) [syn: {fertilized ovum}]
zygotene
1: the second stage of the prophase of meiosis
zygotic
1: of or relating to a zygote
Zyloprim
1: a drug (trade name Zyloprim) used to treat gout and other conditions in which there is an excessive buildup of uric acid [syn: {allopurinol}]
zymase
1: a complex of enzymes that cause glycolysis; originally found in yeast but also present in higher organisms
zymogen
1: any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active [syn: {proenzyme}]
zymoid
1: resembling an enzyme
zymolysis
1: a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol [syn: {zymosis}, {fermentation}, {fermenting...
zymolytic
1: of or relating to or causing fermentation [syn: {zymotic}]
zymosis
1: a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol [syn: {zymolysis}, {fermentation}, {fermenti...
zymotic
1: of or relating to or causing fermentation [syn: {zymolytic}] 2: relating to or caused by infection
zymurgy
1: the branch of chemistry concerned with fermentation (as in making wine or brewing or distilling)
Zyrian
1: the Finnic language spoken by the Komi people [syn: {Komi}]
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