inch long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels
<noun.animal>

Dreissena polymorpha

zebra mussel

orchid with reddish linear leaves and panicle of purple-marked pale-yellow flowers with deep red or purple lip; southwestern Australia
<noun.plant>

Caladenia cairnsiana

zebra orchid

swift lizard with long black-banded tail and long legs; of deserts of United States and Mexico
<noun.animal>

Callisaurus draconoides

gridiron-tailed lizard

zebra-tailed lizard

any of various trees or shrubs having mottled or striped wood
<noun.plant>

zebrawood

zebrawood tree

handsomely striped or mottled wood of the zebrawood tree; used especially for cabinetwork
<noun.plant>

zebrawood

mostly tropical climbing shrubs or small trees; closely related to Leguminosae
<noun.plant>

Connaraceae

family Connaraceae

zebrawood family

any of various trees or shrubs having mottled or striped wood
<noun.plant>

zebrawood

zebrawood tree

domesticated ox having a humped back and long horns and a large dewlap; used chiefly as a draft animal in India and east Asia
<noun.animal>

zebu

the 26th letter of the Roman alphabet
<noun.communication>

Z

ezed

izzard

z

zed

zee

sample sentences

"the British call Z zed and the Scots call it ezed but Americans call it zee"
"he doesn't know A from izzard"

the 26th letter of the Roman alphabet
<noun.communication>

Z

ezed

izzard

z

zed

zee

sample sentences

"the British call Z zed and the Scots call it ezed but Americans call it zee"
"he doesn't know A from izzard"

the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
<noun.location>   freq. cnt.: 1 freq. cnt.: 1

zenith

relating to or located at or near the zenith
<adj.pert>

zenithal

any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks
<noun.substance>

zeolite

a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
<noun.food>

Cuban sandwich

Italian sandwich

bomber

grinder

hero

hero sandwich

hoagie

hoagy

poor boy

sub

submarine

submarine sandwich

torpedo

wedge

zep

a slight wind (usually refreshing)
<noun.phenomenon>   freq. cnt.: 9 freq. cnt.: 6 freq. cnt.: 3

air

breeze

gentle wind

zephyr

sample sentences

"the breeze was cooled by the lake"
"as he waited he could feel the air on his neck"

a large rigid dirigible designed to carry passengers or bombs
<noun.artifact>

Graf Zeppelin

zeppelin

indicating the absence of any or all units under consideration
<adj.all>   freq. cnt.: 8 freq. cnt.: 5 freq. cnt.: 3

0

zero

sample sentences

"a zero score"

indicating an initial point or origin
<adj.all>   freq. cnt.: 1 freq. cnt.: 1

zero

having no measurable or otherwise determinable value
<adj.all>   (a)   freq. cnt.: 1 freq. cnt.: 1

zero

sample sentences

"the goal is zero population growth"

of or relating to the null set (a set with no members)
<adj.pert>

zero

a quantity of no importance
<noun.quantity>   freq. cnt.: 148 freq. cnt.: 141 freq. cnt.: 6 freq. cnt.: 1

aught

cipher

cypher

goose egg

nada

naught

nil

nix

nothing

null

zero

zilch

zip

zippo

sample sentences

"it looked like nothing I had ever seen before"
"reduced to nil all the work we had done"
"we racked up a pathetic goose egg"
"it was all for naught"
"I didn't hear zilch about it"

a mathematical element that when added to another number yields the same number
<noun.quantity>   freq. cnt.: 23 freq. cnt.: 20 freq. cnt.: 3

0

cipher

cypher

nought

zero

the sight setting that will cause a projectile to hit the center of the target with no wind blowing
<noun.artifact>

zero

the point on a scale from which positive or negative numerical quantities can be measured
<noun.cognition>

zero

zero point

adjust (as by firing under test conditions) the zero of (a gun)
<verb.change>

zero

zero in

sample sentences

"He zeroed in his rifle at 200 yards"

adjust (an instrument or device) to zero value
<verb.change>

zero

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
<noun.possession>

zero coupon bond

zero-coupon bond

a security that makes no interest payments but instead is sold at a deep discount from its face value
<noun.possession>

zero coupon security

zero-coupon security

the time set for the start of an action or operation
<noun.time>

zero hour

direct onto a point or target, especially by automatic navigational aids
<verb.competition>   freq. cnt.: 1 freq. cnt.: 1

home in

range in

zero in

adjust (as by firing under test conditions) the zero of (a gun)
<verb.change>

zero

zero in

sample sentences

"He zeroed in his rifle at 200 yards"

the point on a scale from which positive or negative numerical quantities can be measured
<noun.cognition>

zero

zero point

extreme intolerance of antisocial behavior (usually by an uncompromising application of the law)
<noun.cognition>

zero tolerance

sample sentences

"he urged zero tolerance for priests who abuse children sexually"

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
<noun.possession>

zero coupon bond

zero-coupon bond

a security that makes no interest payments but instead is sold at a deep discount from its face value
<noun.possession>

zero coupon security

zero-coupon security

a game in which the total of all the gains and losses is zero
<noun.act>

zero-sum game

any policy that allows no exception
<noun.communication>

zero-tolerance policy

sample sentences

"a zero-tolerance policy toward pedophile priests"

preceding even the first
<adj.all>

zeroth

the law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other
<noun.cognition>

zeroth law of thermodynamics