chap·book 
(chăpbk′)
(chăpbk′)n.
A small book or pamphlet containing poems, ballads, stories, or religious tracts.
[CHAP(MAN) + BOOK1 (so called because it was originally sold by chapmen).]
- interferometer
- interferometric
- interferometrically
- interferometry
- interferon
- interferon alpha
- interferon beta
- interferon gamma
- interfertile
- interfertility
- interfluve
- interfluvial
- intergalactic
- intergalactically
- intergenerational
- intergeneric
- intergenic
- interglacial
- intergovernmental
- intergovernmentally
- intergradation
- intergrade
- intergroup
- intergrowth
- interim