autoactivation
/ˌɔːtəʊaktɪˈveɪʃn/Chiefly Biology and Biochemistry
noun
The activation of something (especially an enzyme, a gene, etc.) or initiation of a process (e.g. the germination of a spore) without an external stimulus; automatic activation; self-activation.
Origin
Early 20th century. From auto- + activation, originally after German Autoactivirung. Compare French autoactivation, and also German Selbstaktivierung.
- give someone grief
- give someone head
- give someone hell
- give someone one
- give someone (or get) a thick ear
- give someone (or get) the bum's rush
- give someone (some) skin
- give someone the big E
- give someone the bird
- give someone the boot
- give someone the creeps
- give someone the elbow
- give someone (the) evils
- give someone the eye
- give someone the finger
- give someone the flick (or get the flick)
- give someone the glad eye
- give someone the hairy eyeball
- give someone their cards
- give someone their due
- give someone their head
- give someone the needle
- give someone the pip
- give someone the shits
- give someone the shudders