day·time 
(dātīm′)
(dātīm′)n.
The time between sunrise and sunset.
adj.
Occurring in or appropriate for use during the day: daytime tasks; daytime clothes.
- biomass
- biomaterial
- biomathematical
- biomathematician
- biomathematics
- biome
- biomechanical
- biomechanically
- biomechanics
- biomedical
- biomedical engineering
- biomedicine
- biometeorology
- biometric
- biometrical
- biometrically
- biometrics
- biometry
- biomorph
- biomorphic
- biomorphism
- bionic
- bionics
- bionomic
- bionomical