1

capillary

adjective cap·il·lary \ ˈka-pə-ˌler-ē , -ˌle-rē , British usually kə-ˈpi-lə-rē \

Definition of capillary

1 a :resembling a hair especially in slender elongated form
  • capillary leaves
b :having a very small bore
  • a capillary tube
2 :involving, held by, or resulting from surface tension
  • capillary water in the soil
3 :of or relating to capillaries or capillarity

Recent Examples of capillary from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'capillary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of capillary

French or Latin; French capillaire, from Latin capillaris, from capillus hair


2

capillary

noun

Definition of capillary

plural capillaries
1 :a minute thin-walled vessel of the body; especially :any of the smallest blood vessels connecting arterioles with venules and forming networks throughout the body
2 :a tube (as of glass) having a very small bore

Recent Examples of capillary from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'capillary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of capillary

1667


CAPILLARY Defined for English Language Learners

capillary

noun

Definition of capillary for English Language Learners

  • : one of the many very small tubes that carry blood within the body : the smallest kind of blood vessel


CAPILLARY Defined for Kids

1

capillary

adjective cap·il·lary \ ˈka-pə-ˌler-ē \

Definition of capillary for Students

1 :having a long slender form and a small inner diameter
  • a capillary tube
2 :of or relating to capillary action or a capillary

2

capillary

noun

Definition of capillary for Students

plural capillaries
:one of the slender hairlike tubes that are the smallest blood vessels and connect arteries with veins

Medical Dictionary

1

capillary

adjective cap·il·lary \ ˈkap-ə-ˌler-ē, British usually kə-ˈpil-ə-rē \

medical Definition of capillary

1 a :resembling a hair especially in slender elongated form
b :having a very small bore
  • a capillary tube
2 :involving, held by, or resulting from surface tension
3 :of or relating to capillaries or capillarity

2

capillary

noun

medical Definition of capillary

plural capillaries
1 :a minute thin-walled vessel of the body; especially :any of the smallest blood vessels connecting arterioles with venules and forming networks throughout the body
2 :a capillary tube

Illustration of capillary



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