es·ti·va·tion also aes·ti·va·tion 
(ĕs′tə-vāshən)
(ĕs′tə-vāshən)n.
1. Zoology A state of dormancy or torpor during a hot dry period.
2. Botany The arrangement of the floral parts in a bud.
3. The act of spending or passing the summer.
- interleave
- interleukin
- interleukin-1
- interleukin-2
- interleukin-3
- interlibrary
- interline
- interline
- interlinear
- interlineation
- Interlingua
- interlingual
- interlingually
- interlining
- interlink
- interlock
- interlocution
- interlocutor
- interlocutory
- interlope
- interloper
- interlude
- interlunar
- intermarriage
- intermarry