ahemeral
adj/eɪˈhɛməɹəl/
Etymology From a- + hemeral.
1
Biology, Natural sciences Cyclical, with a period not equal to 24 hours
- Photostimulation at 22 weeks of age was done with either a normal, hemeral day (14 hours of light; 10 hours of darkness) or a long ahemeral day (14 hours of light; 14 hours of darkness).2003, Frank Edwin Robinson, Gaylene Marie Fasenko, Robert Allen Renema, New Developments in Reproduction and Incubation of Broiler Chickens, page 116:
- Short ahemeral cycles have typically been made up of 14L:7D [L=light; D=dark], 14L:8D or 14L:9D photoschedules and have been used by poultry breeders who wish to identify hens with rapid rates of follicular maturation.1996, Robert J. Etches, Reproduction in Poultry, page 273:
- Derived terms
- ahemeral day