Crossword Clue:

composed of two like parts

Answer	Crossword Clue
DIMERS	Molecules composed of two identical others
DIMERS	Molecule composed of two identical others
PROTONS	Particles composed of two up quarks and one down quark

LOVE	"... is composed of a single soul inhabiting two bodies": Aristotle
WACO	U.S. city whose name is composed of two state abbreviations
DYADIC	Of two parts.
DUAL	Of two separate parts
BINARY	Consisting of two parts.
BINARY	Made of two parts
PORTMANTEAU	Blend of two parts
HALF	First of two parts

DUAL	Consisting of two parts
MOIETY	One of two equal parts
HALF	One of two equal parts
ULNAS	Two long parts of the body
PAIR	Single unit of two corresponding parts.
ARM	One of two parts of a shirt
ZED	One of two parts of a British puzzle?
ADDUCTS	Brings together, as two parts of the body

ELEVATION	Height of happiness, capturing two parts of Everest (9)
SAMOA	It was split into two parts by the 1899 Treaty of Berlin