matter; substance; material; materialistic; CL:個|个[ge4]

essence; nature; innate character; intrinsic quality

character; intrinsic quality (of a person); quality (of a product or service, or as in "quality of life", "air quality" etc)

nature; characteristic; CL:個|个[ge4]

characteristic; special quality

protein

personality traits; temperament; disposition; aura; air; feel; vibe; refinement; sophistication; class

nervous; on edge; excitable; neurotic

substance; essence

character; nature; quality; plain; to pawn; pledge; hostage; to question; Taiwan pr. [zhi2]

excellent quality

(physics) dark matter

geology

inner quality; basic essence

to confront (in court etc); confrontation

potential

to degenerate; to deteriorate; (of food) to go bad; to go off; (geology) metamorphism

aptitude; natural endowments

(a person's) constitution; underlying physical condition; physical makeup; (of an organization, society etc) structural soundness

cutin; keratin

shoddy; of poor quality

texture of timber; quality of material; material (that sth is made of)

mineral, esp. dietary mineral

wooden

antimatter

medium; media

(chemistry) mass transfer (as observed in processes like evaporation, distillation and membrane filtration)

to mortgage; to pawn

simple substance (consisting purely of one element, such as diamond)

alkalinity

homogeneous

homogenous; uniform; homogenized

base solvent (of chemical compound); stroma (framing biological tissue)

chitin

medium

heterogeneous

form; structure; design

qualia (philosophy)

impurity

parent material (e.g. the eroded rock making up sediment)

water quality

sandy

muddy

aerosol

solute

(anatomy) gray matter

image quality; resolution; definition

(anatomy) white matter

cortex; cerebral cortex