theta-delta

== English == === Alternative forms === theta delta === Etymology === From the first character of θηρίον (thēríon, “wild beast”), and Δ (delta), mathematical symbol for change. === Noun === theta-delta (plural theta-deltas) (subculture) A symbol, depicting the uppercase Greek letter theta interwoven with a delta, that represents therianthropy (similar to the heptagram for otherkinity). ==== Usage notes ==== Theta-delta lacks a Unicode character; as such, the symbol is instead represented by ΘΔ or ASCII art via the combination of a hyphen-minus or dash with several combining characters: -⃝⃤.