Usually means: Half of an object's diameter.
Definitions Related words Mentions History
We found 20 dictionaries that define the word semidiameter:

General (18 matching dictionaries)
  1. semidiameter: Merriam-Webster
  2. semidiameter: Oxford Learner's Dictionaries
  3. semidiameter: American Heritage Dictionary of the English Language
  4. semidiameter: Collins English Dictionary
  5. semidiameter: Vocabulary.com
  6. semidiameter: Wordnik
  7. semidiameter: Wiktionary
  8. semidiameter: Webster's New World College Dictionary, 4th Ed.
  9. semidiameter: Infoplease Dictionary
  10. semidiameter: Dictionary.com
  11. Semidiameter: Wikipedia, the Free Encyclopedia
  12. Semidiameter: Online Plain Text English Dictionary
  13. semidiameter: Webster's Revised Unabridged, 1913 Edition
  14. semidiameter: Rhymezone
  15. Semidiameter: AllWords.com Multi-Lingual Dictionary
  16. semidiameter: FreeDictionary.org
  17. semidiameter: Mnemonic Dictionary
  18. semidiameter: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. semidiameter: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

(Note: See semidiameters as well.)

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Definitions from Wiktionary (semidiameter)

▸ noun:  (astronomy) The apparent radius of a star etc, when viewed from Earth.
▸ noun:  (archaic) A radius: half of a diameter.

Similar:
semi-major axis, circumdiameter, semimajor axis, semiminor axis, standard ruler, celestial sphere, diameter, semiaxis, semicircumference, sidereal year, more...

Adjectives:
apparent, angular, horizontal, equatorial, mean, true, polar, vertical, greatest, equatoreal, solar

▸ Words similar to semidiameter

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Similar:
semi-major axis, circumdiameter, semimajor axis, semiminor axis, standard ruler, celestial sphere, diameter, semiaxis, semicircumference, sidereal year, more...

Adjectives:
apparent, angular, horizontal, equatorial, mean, true, polar, vertical, greatest, equatoreal, solar



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