1. Occurring every six months or during every period of six months
   - semestral

See also: periodic, periodical, semester

• exogamous
• exogamy
• exogen
• exogenic
• exogenous
• exogenous depression
• exogenous obesity
• exomphalos
• exon
• exonerate
• exonerated
• exoneration
• exonerative
• exonuclease
• exophthalmia
• exophthalmic goiter
• exophthalmos
• exoplanet
• Exopterygota
• exorbitance
• exorbitant
• exorbitantly
• exorcise
• saddled
• saddled-shaped false morel