Corpuscule

[kawr-puh-suh l, -puhs-uh l] /ˈkɔr pə səl, -pʌs əl/

noun
1.
Biology. an unattached cell, especially of a kind that floats freely, as a blood or lymph cell.
2.
Anatomy. a small mass or body forming a more or less distinct part, as the sensory receptors at nerve terminals.
3.
Physical Chemistry. a minute or elementary particle of matter, as an electron, proton, or atom.
4.
any minute particle.
/ˈkɔːpʌsəl/
noun
1.
any cell or similar minute body that is suspended in a fluid, esp any of the red blood corpuscles (erythrocytes) or white blood corpuscles (see leucocytes) See also erythrocyte, leucocyte
2.
(anatomy) the encapsulated ending of a sensory nerve
3.
(physics) a discrete particle such as an electron, photon, ion, or atom
4.
Also called corpuscule (kɔːˈpʌskjuːl). any minute particle
n.

1650s, “any small particle,” from Latin corpusculum “a puny body; an atom, particle,” diminutive of corpus “body” (see corporeal). First applied to blood cells 1845. Related: Corpuscular.

corpuscle cor·pus·cle (kôr’pə-səl, -pŭs’əl)
n.

cor·pus’cu·lar (kôr-pŭs’kyə-lər) adj.
corpuscle
(kôr’pə-səl)