1. Deriving oxygen from the air
   "he studied respiration in marine air-breathing vertebrates"; "large air-breathing ichthyosaurs had hydrofoils"

See also: breathing

• flux applicator
• flux density
• flux density unit
• flux unit
• fluxing lime
• fluxion
• fluxional
• fluxmeter
• fly
• fly agaric
• fly ash
• fly ball
• fly blind
• fly casting
• fly contact
• fly floor
• fly front
• fly gallery
• fly high
• fly honeysuckle
• fly in the face of
• fly in the ointment
• fly in the teeth of
• fly off the handle
• fly on