trilobation

English

Etymology

trilobate +‎ -ion

Noun

trilobation (usually uncountable, plural trilobations)

1. The state of being trilobate; the state of having three lobes.

   trilobation of the thorax

References

• “trilobation”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.