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res·pi·ra·to·ry

respiratory

 
pronunciation:
re sp r to ri
features:
Word Parts
part of speech: adjective
definition: having to do with or used in the act of breathing.
The lungs are part of the respiratory system.
Word Parts  About this feature
The word respiratory contains the following parts:
spir, spiro Latin root that means breathe
-ory, -atory2 Latin adjective-forming suffix that means serving to, pertaining to
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The suffix -ory , -atory2 attaches to Latin verb roots to form adjectives. Adjectives ending in "-atory " tend to have corresponding verbs ending in "-ate" (congratulatory: congratulate).