é·lan 
(ā-läɴ, ā-län)
(ā-läɴ, ā-län)n.
1. Enthusiastic vigor and liveliness.
2. Distinctive style or flair.
[French, from Old French eslan, rush, from eslancer, to hurl : es-, out (from Latin ex-; see EX-) + lancer, to throw (from Late Latin lanceāre, to throw a lance, from Latin lancea, lance).]
- biocompatibility
- biocompatible
- biocomputing
- biocontainment
- biocontrol
- bioconversion
- biodegradability
- biodegradable
- biodegradation
- biodegrade
- biodiesel
- biodiversification
- biodiversified
- biodiversity
- bioelectric
- bioelectrical
- bioelectricity
- bioengineer
- bioengineering
- bioenvironmental
- bioequivalence
- bioequivalent
- bioethanol
- bioethical
- bioethicist