(n) warning lamp
(n) water cooler
(n) (ling) Ural-Altaic
(n) Uruguay round
(n) extra inning
(n) (obsc) Ediacara fossil biota
(n) Ediacara fauna
(n) edible flower
(n) emerald green
(n) (comp) Error Checking and Correcting
ECC
(n) (comp) error handling
(n) (comp) error recovery routine
(n) (comp) error handling routine
error-handling routine
(n) (comp) error-control logic
(n) Eratosthenes' sieve
(n) (uk) northern Ryukyu fruit bat (Pteropus dasymallus dasymallus)
(n) entrance hall
(n) emperor penguin (Aptenodytes forster)
(n) orchestra pit
(n) Aboriginal languages (of Australia)
(n) orchard grass
(n) owner-driver
(n) orphan drug
(n) oral approach
(n) (uk) razorbill (Alca torda)
(n) offside trap
(n) (comp) offline storage
(n) (comp) object class
(n) obstruction
(n) operant conditioning