filament

[fil-uh-muh nt]

noun


RELATED WORDS


Nearby words

  1. fijian,
  2. fikh,
  3. fil,
  4. filaceous,
  5. filagree,
  6. filamentary,
  7. filamentous,
  8. filar,
  9. filaria,
  10. filarial

Origin of filament

1585–95; < New Latin fīlāmentum, equivalent to Late Latin fīlā(re) to wind thread, spin (see file1) + Latin -mentum -ment

Related formsfil·a·ment·ed, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for filament


British Dictionary definitions for filament

filament

noun

the thin wire, usually tungsten, inside a light bulb that emits light when heated to incandescence by an electric current
electronics a high-resistance wire or ribbon, forming the cathode in some valves
a single strand of a natural or synthetic fibre; fibril
botany
  1. the stalk of a stamen
  2. any of the long slender chains of cells into which some algae and fungi are divided
ornithol the barb of a down feather
anatomy any slender structure or part, such as the tail of a spermatozoon; filum
astronomy
  1. a long structure of relatively cool material in the solar corona
  2. a long large-scale cluster of galaxies
Derived Formsfilamentary (ˌfɪləˈmɛntərɪ, -trɪ) or filamentous, adjective

Word Origin for filament

C16: from New Latin fīlāmentum, from Medieval Latin fīlāre to spin, from Latin fīlum thread

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for filament

filament

n.

1590s, from Modern Latin filamentum, from Late Latin filare "to spin, draw out in a long line," from Latin filum "thread" (see file (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for filament

filament

[fĭlə-mənt]

n.

A fibril, fine fiber, or threadlike structure.
Related formsfil′a•mentous (-mĕntəs) null adj.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for filament

filament

[fĭlə-mənt]

A fine or slender thread, wire, or fiber.
The part of a stamen that supports the anther of a flower; the stalk of a stamen. See more at flower.
  1. A fine wire that gives off radiation when an electric current is passed through it, usually to provide light, as in an incandescent bulb, or to provide heat, as in a vacuum tube.
  2. A wire that acts as the cathode in some electron tubes when it is heated with an electric current.
Any of the dark, sinuous lines visible through certain filters on the disk of the Sun. Filaments are solar prominences that are viewed against the solar surface rather than being silhouetted along the outer edges of the disk. See more at prominence.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.