tri·hy·brid 
(trī-hībrĭd)
(trī-hībrĭd)n.
The hybrid of parents that differ at only three gene loci, for which each parent is homozygous.
- unmentionable
- unmentionableness
- unmentionably
- unmerciful
- unmercifully
- unmercifulness
- unmet
- double bar
- double-barreled
- double bass
- double bassoon
- double bind
- double blind
- double-blind
- double boiler
- double bond
- double-book
- double-breasted
- double check
- double-check
- double chin
- double-click
- double coconut
- double-cross
- double-crosser