profundal
/prəˈfʌndl/Ecology
adjective
Designating or relating to regions of the water and bed of a lake where light penetration is insufficient to sustain photosynthesis.
noun
The profundal region of a lake.
Origin
Early 20th century; earliest use found in The Botanical Gazette. Apparently from classical Latin profundus profound + -al, probably after German Profundal, noun.
- strength-to-weight ratio
- strength/weight ratio
- strengthy
- strenuous
- strenuously
- strenuousness
- strep
- Strepsiptera
- strepsipteran
- strep throat
- strepto-
- streptocarpus
- streptococcal
- streptococcus
- streptokinase
- streptomycete
- streptomycin
- stress
- stress ball
- stress buster
- stress counseling
- stress counselling
- stress counsellor
- stress counselor
- stress fracture