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3 : a concretion usu. of mineral salts esp. in hollow organs or ducts

cal·de·ra noun [ORIGIN: Sp, lit., cauldron]

: a large crater usu. formed by the collapse of a volcanic cone

cal·dron variant of CAULDRON

1calendar noun 1 : an arrangement of time into days, weeks, months, and years; also : a sheet or folder containing such an arrangement for a period

2 : an orderly list

Synonyms

agenda, docket, program, schedule, timetable—more at PROGRAM

2calendar verb : to enter in a calendar

1calender verb : to press (as cloth or paper) between rollers or plates so as to make smooth or glossy or to thin into sheets

2calender noun : a machine for calendering

ca·lends noun singular or plural : the first day of the ancient Roman month

ca·len·du·la noun : any of a genus of yellow-flowered herbs related to the daisies

1calf noun, plural calves 1 : the young of the domestic cow; also : the young of various large mammals (as the elephant or whale)

2 : CALFSKIN

2calf noun, plural calves : the fleshy back of the leg below the knee

calf·skin noun : leather made of the skin of a calf

cal·i·ber or cal·i·bre noun [ORIGIN: MF calibre, fr. It calibro, fr. Ar qālib shoemaker's last]

1 : degree of mental capacity, excellence, or importance

2 : the diameter of a projectile

3 : the diameter of the bore of a gun

Synonyms

class, grade, quality, rate—more at QUALITY

cal·i·brate verb -brat·ed; -brat·ing : to adjust precisely

cal·i·bra·tion noun : a set of graduated marks indicating values or positions — usu. used in pl.

cal·i·co noun, plural -coes or -cos 1 : printed cotton fabric

2 : a mottled or spotted animal

— calico adjective

Calif abbreviation California

Cal·i·for·nia poppy noun : a widely cultivated herb with usu. yellow or orange flowers that is related to the poppies

cal·i·for·ni·um noun : an artificially prepared radioactive chemical element

cal·i·per noun 1 : any of various instruments having two arms, legs, or jaws used esp. to measure diameter or thickness — usu. used in pl.

2 : a device for pressing a frictional material against the sides of a rotating wheel or disk

ca·liph noun : a successor of Muhammad as head of Islam — used as a title

— ca·liph·ate noun

cal·is·then·ics noun singular or plural [ORIGIN: Gk kalos beautiful +sthenos strength]

: bodily exercises usu. done without apparatus

— cal·is·then·ic adjective

calk variant of CAULK

1call verb 1 a : to speak in a loud distinct voice so as to be heard at a distance esp. in order to attract the attention of, summon, or make a request of another : SHOUT, CRY

b : to utter a characteristic note or cry

2 : to utter in a loud clear voice

3 : to announce authoritatively

4 : to invite or command (a group) to meet : SUMMON

5 : to make a request or demand <~ for an investigation>

6 : to halt (a baseball game or other public event) because of unsuitable conditions (as rain or darkness)

7 : to demand payment of (a loan); also : to demand surrender of (as a bond) for redemption

8 : to get or try to get in communication by telephone

9 : to make a brief stop or visit at a place

10 a : to speak of or address by name : give a name to

b : regard as or characterize as of a certain kind : describe as

11 : to estimate or consider for practical purposes <~ it ten miles>

12 : to temporarily transfer control of computer processing to (as a subroutine or procedure)

Synonyms

[1a] bawl, cry, holler, shout, vociferate, yell; also bellow, roar; whoop; scream, screech, shriek, shrill, squeak, squeal; caterwaul, howl, wail, yawp, yowl

[4] assemble, convene, convoke, muster, summon—more at CONVOKE

[5] ask, insist, plead, press, quest, request, seek, solicit, sue

[8] dial, telephone; also buzz

[9] drop, pop, stop, visit; also barge (in); look up, see; frequent, hang around (in), hang out (at), haunt, resort (to)

[10a] baptize, christen, denominate, designate, dub, entitle, label, name, style, term, title—more at NAME