cal|lus

cal|lus
cal|lus «KAL uhs», noun, plural -lus|es, verb.
–n. Also, callosity.
1. a hard, thickened place on the skin.
2. a new growth to unite the ends of a broken bone.
3. a) a substance that grows over the wounds of plants. b) the thickening of the substance of the perforated septa (dividing walls) between sieve cells. c) the thickening formed over the end of a cutting before it sends forth roots. d) any unusually hard formation in or on a plant.
–v.i.
to form or develop a callus.
–v.t.
to form or develop a callus on.
╂[< Latin callus]
Usage See callous for usage note. (Cf. ↑callous)

Useful english dictionary. 2012.

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Look at other dictionaries:

  • cal·lus — cal|·lus Mot Pla Nom masculí …   Diccionari Català-Català

  • cal·lus — …   Useful english dictionary

  • lus — abac·u·lus; aceph·a·lus; acer·vu·lus; ac·i·doph·i·lus; ac·ti·no·ba·cil·lus; ac·u·le·o·lus; aero·ba·cil·lus; aes·cu·lus; ag·ri·lus; al·a·lus; al·lo·phy·lus; al·ti·ca·me·lus; al·ve·o·lus; am·e·lus; amor·pho·phal·lus; am·phib·a·lus; amyg·da·lus;… …   English syllables

  • cal — abi·o·log·i·cal; adre·no·cor·ti·cal; aero·bi·o·log·i·cal; aero·chem·i·cal; aero·log·i·cal; aero·med·i·cal; aero·nau·ti·cal; aero·phys·i·cal; aero·tech·ni·cal; aes·thet·i·cal·ly; afo·cal; ag·a·tho·kak·o·log·i·cal; ag·nat·i·cal·ly;… …   English syllables

  • cal|cu|lus — «KAL kyuh luhs», noun, plural li or lus|es. 1. a system of calculation in advanced mathematics, especially a system using algebraic symbols to solve problems dealing with changing quantities: »This calculus is concerned with statistical… …   Useful english dictionary

  • cal·cu·lus — /ˈkælkjələs/ noun [noncount] : an advanced branch of mathematics that deals mostly with rates of change and with finding lengths, areas, and volumes …   Useful english dictionary

  • pre·cal·cu·lus — /ˌpriːˈkælkjələs/ noun [noncount] US : an introductory course that prepares students for the study of calculus She is taking precalculus this semester. precalculus adj, always used before a noun a precalculus course precalculus stude …   Useful english dictionary

  • callus — cal·lus …   English syllables

  • callus — cal•lus [[t]ˈkæl əs[/t]] n. pl. lus•es, 1) pat phl a) a hardened or thickened part of the skin; callosity b) a new growth of osseous matter at the ends of a fractured bone, serving to unite them 2) bot Also, callose bot the tissue that forms over …   From formal English to slang

  • callus — cal|lus [ˈkæləs] n [Date: 1500 1600; : Lati] an area of thick hard skin ▪ the calluses on his hands …   Dictionary of contemporary English

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