callus

callus

a thickening of the horny layer of the skin: You may have to go to a doctor to get that callus removed.

Not to be confused with:

callous – unfeeling; emotionally hardened: She was so callous that she didn’t shed a tear when her husband died.

Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

cal·lus

 (kăl′əs)

n. pl. cal·lus·es

1.

a. A localized thickening and enlargement of the horny layer of the skin. Also called callosity.

b. The hard bony tissue that develops around the ends of a fractured bone during healing.

2. Botany

a. Undifferentiated tissue that develops on or around an injured or cut plant surface or in tissue culture.

b. The hardened, sometimes sharp base of the spikelet of certain grasses.

intr.v. cal·lused, cal·lus·ing, cal·lus·es

To form or develop such hardened tissue. See Usage Note at callous.

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[Latin, masculine of callum.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

callus

(ˈkæləs)

n, pl -luses

1. (Pathology) Also called: callosity an area of skin that is hard or thick, esp on the palm of the hand or sole of the foot, as from continual friction or pressure

2. (Pathology) an area of bony tissue formed during the healing of a fractured bone

3. (Botany) botany

a. a mass of hard protective tissue produced in woody plants at the site of an injury

b. an accumulation of callose in the sieve tubes

4. (Geological Science) biotechnology a mass of undifferentiated cells produced as the first stage in tissue culture

vb

(Botany) to produce or cause to produce a callus

[C16: from Latin, variant of callum hardened skin]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cal•lus

(ˈkæl əs)

n., pl. -lus•es, n.

1.

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. Also, callose. the tissue that forms over the wounds of plants, protecting the inner tissues and causing healing.

v.i.

3. to form a callus.

v.t.

4. to produce a callus or calluses on.

[1555–65; < Latin]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

cal·lus

(kăl′əs)

An area of the skin that has become hardened and thick, usually because of prolonged pressure or rubbing.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

callus

Past participle: callused
Gerund: callusing

Imperative

callus

callus

Collins English Verb Tables © HarperCollins Publishers 2011

callus

The healing tissue produced by plants to cover a wound resulting from a cut or other physical damage.

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited

Thesaurus

Noun	1.	callus - an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) callosity hardening - abnormal hardening or thickening of tissue clavus, corn - a hard thickening of the skin (especially on the top or sides of the toes) caused by the pressure of ill-fitting shoes
	2.	callus - bony tissue formed during the healing of a fractured bone chestnut - a small horny callus on the inner surface of a horse's leg cicatrice, cicatrix, scar - a mark left (usually on the skin) by the healing of injured tissue
	3.	callus - (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid phytology, botany - the branch of biology that studies plants plant process, enation - a natural projection or outgrowth from a plant body or organ
Verb	1.	callus - cause a callus to form on; "The long march had callused his feet" harden, indurate - make hard or harder; "The cold hardened the butter"
	2.	callus - form a callus or calluses; "His foot callused" harden, indurate - become hard or harder; "The wax hardened"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

Schwiele

callo

känsä

calcallositécaluscor

žulj

callo

タコ胼胝

eelt

мозоль

callus

n (Med) → Schwiele f; (of bone) → Kallus m, → Knochenschwiele f; (Bot) → Wundholz nt, → Kallus m

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

cal·lus

, corn

n. callo, callosidad.

English-Spanish Medical Dictionary © Farlex 2012

callus

n (pl -luses) callo, (thin) callosidad f

English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.