Word Study
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: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
poikilotherm
OXFORD DICTIONARY
poikilotherm, n. an organism that regulates its body temperature by behavioural means, such as basking or burrowing; a cold-blooded organism (cf. HOMOEOTHERM).
Derivative
poikilothermal adj. poikilothermia n. poikilothermic adj. poikilothermy n.
Etymology
Gk poikilos multicoloured, changeable + therme heat
For further exploring for "poikilotherm" in Webster Dictionary Online