[ fahy-sis ]
/ ˈfaɪ sɪs /

noun, plural phy·ses [fahy-seez]. /ˈfaɪ siz/.

the principle of growth or change in nature.
nature as the source of growth or change.
something that grows, becomes, or develops.

Origin of physis

<Greek phýsis origin, natural form of a thing; akin to phŷlon race (see phylon) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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