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English Word Dictionary

Browse the admitted K-5 cohort, reading-linked candidates, and the locally materialized Open English WordNet reference layer. WordNet and Wiktionary entries are not automatic K5 admission.

zambia

noun · a republic in central Africa; formerly controlled by Great Britain and called Northern Rhodesia until it gained independence within the commonwealth in 1964

zamia family

noun · a family of cycads often included in the family Cycadaceae: zamias

zane grey

noun · United States writer of western adventure novels (1875-1939)

zannichellia palustris

noun · found in still or slow-moving fresh or brackish water; useful to oxygenate cool water ponds and aquaria

zannichelliaceae

noun · alternative classification for some genera included in Potamogetonaceae; one species

zantac

noun · a histamine blocker and antacid (trade name Zantac) used to treat peptic ulcers and gastritis and esophageal reflux

zanthoxylum americanum

noun · small deciduous aromatic shrub (or tree) having spiny branches and yellowish flowers; eastern North America

zanuck

noun · United States filmmaker whose works include the first full-length feature film with sound sequences (1902-1979)

zany

adjective · like a clown

Example: a buffoonish walk

zarontin

noun · an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy

zarqa

noun · city in northwestern Jordan

zb

noun · a unit of information equal to 1024 exbibytes or 2^70 bytes

zbit

noun · a unit of information equal to 1000 exabits or 10^21 bits

zeal

noun · prompt willingness

Example: readiness to continue discussions

zealand

noun · the largest island of Denmark and the site of Copenhagen

zealot

noun · a fervent and even militant proponent of something

zealous

adjective · marked by active interest and enthusiasm

Example: an avid sports fan

zealously

adverb · in a zealous manner

Example: she worked zealously to raise funds for the literacy project

zebibyte

noun · a unit of information equal to 1024 exbibytes or 2^70 bytes

zebra mussel

noun · inch long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels

zebrawood family

noun · mostly tropical climbing shrubs or small trees; closely related to Leguminosae

zechariah

noun · an Old Testament book telling the prophecies of Zechariah which are concerned mainly with the renewal of Israel after the Babylonian Captivity

zeeman

noun · Dutch physicist honored for his research on the influence of magnetism on radiation which showed that light is radiated by the motion of charged particles in an atom (1865-1943)

zeidae

noun · a family of fish in the order Zeomorphi

zellig sabbatai harris

noun · United States linguist (born in Ukraine) who developed mathematical linguistics and interpreted speech and writing in a social context (1909-1992)

zen

noun · street name for lysergic acid diethylamide

zend

noun · an ancient Iranian language

zephaniah

noun · an Old Testament book telling the prophecies of Zephaniah which are concerned mainly with the approaching judgment by God upon the sinners of Judah

zeppelin

noun · a large rigid dirigible designed to carry passengers or bombs

zero

adjective · indicating the absence of any or all units under consideration

Example: a zero score

zero coupon bond

noun · a bond that is issued at a deep discount from its value at maturity and pays no interest during the life of the bond; the commonest form of zero-coupon security

zero in

verb · adjust (as by firing under test conditions) the zero of (a gun)

Example: He zeroed in his rifle at 200 yards

zero point

noun · the point on a scale from which positive or negative numerical quantities can be measured

zestful

adjective · marked by spirited enjoyment

zestfully

adverb · with zest

Example: she scrubbed the floors of the new apartment zestfully

zestily

adverb · with zest

Example: she scrubbed the floors of the new apartment zestfully

zesty

adjective · marked by spirited enjoyment

zhou dynasty

noun · the imperial dynasty of China from 1122 to 221 BC; notable for the rise of Confucianism and Taoism

zhukov

noun · Soviet general who during World Warr II directed the counteroffensive at Stalingrad and relieved Leningrad and captured Berlin (1896-1974)

zib

noun · a unit of information equal to 1024 exbibytes or 2^70 bytes

zig

noun · an angular shape characterized by sharp turns in alternating directions

zig-zag

adjective · having short sharp turns or angles

zigadene

noun · any of various plants of the genus Zigadenus having glaucous leaves and terminal racemes of mostly white flowers; all are poisonous

ziggurat

noun · a rectangular tiered temple or terraced mound erected by the ancient Assyrians and Babylonians

zigzag

adjective · having short sharp turns or angles

zillion

adjective · very large indeterminate number

Example: a zillion people were there

zimbabwe

noun · a landlocked republic in south central Africa formerly called Rhodesia; achieved independence from the United Kingdom in 1980

zimmer

noun · a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk

zinc

noun · a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende

zinc sulfide

noun · a yellow to white crystalline fluorescent compound that occurs naturally as sphalerite or wurtzite and is used as a luminous pigment