che·mo·re·cep·tor 
(kē′mō-rĭ-sĕptər, kĕm′ō-)
(kē′mō-rĭ-sĕptər, kĕm′ō-)n.
A sensory nerve cell or sense organ, as of smell or taste, that responds to chemical stimuli.
- onomastic
- onomastics
- onomatopoeia
- onomatopoeic
- onomatopoeically
- onomatopoetic
- onomatopoetically
- Onondaga
- Onondagan
- on one onehand
- on (one's) conscience
- on one's conscience
- on (one's) deathbed
- on one's deathbed
- on (one's) feet
- on one's feet
- on (one's) guard
- on one's guard
- on one's hands
- on (one's) head
- on one's head
- on (one's) honor
- on one's honor
- on (one's) last legs
- on one's last legs