ex·o·tox·in 
(ĕk′sō-tŏksĭn)
(ĕk′sō-tŏksĭn)n.
A poisonous substance secreted by a microorganism and released into the medium in which it grows.
- present
- presentability
- presentable
- presentableness
- presentably
- present arms
- presentation
- presentational
- presentative
- present-day
- Present-day English
- presentee
- presenteeism
- presenter
- presentient
- presentiment
- presentimental
- presently
- presentment
- presentness
- present participle
- present perfect
- present tense
- preservability
- preservable