en·do·sperm 
(ĕndə-spûrm′)
(ĕndə-spûrm′)n.
The nutritive tissue within seeds of flowering plants, surrounding and absorbed by the embryo.
- intermix
- intermodal
- intermodulation
- intermontane
- intermountain
- in terms of
- intern
- internal
- internal-combustion engine
- internal ear
- internal energy
- internality
- internalization
- internalize
- internalizer
- internally
- internal medicine
- internal phase
- internal respiration
- internal rhyme
- internal secretion
- international
- international candle
- International Date Line
- internationalism