Etymology
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ostensive (adj.)

c. 1600, in logic, "setting forth a general principle by virtue of which a proposition must be true," from Late Latin ostensivus "showing," from Latin ostens-, past-participle stem of ostendere "to show" (see ostensible). Related: Ostensively.

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recycle (v.)

"to reuse material," 1922, originally of industrial processes; see re- + cycle (v.). Specifically of waste material reclaimed or converted into usable form, by 1960. General or figurative use is by 1969. Related: Recycled; recycling.

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terrazzo (n.)
type of flooring material, 1893, from Italian terrazzo "terrace, balcony" (see terrace).
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materiality (n.)

1520s, "that which is the matter of something, material substance," from Modern Latin materialitas, from materialis "of or belonging to matter," from Latin materia "matter, stuff" (see matter (n.)). From 1560s as "state or quality of being material;" 1640s as "quality of being important to matters at hand, essentiality."

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consequent (n.)

"a thing which follows from a cause," 1610s, from a more precise sense in logic, "that which follows logically from a premise" (late 14c.; compare antecedent), a sense now in consequence. For etymology, see consequent (adj.). Mathematical sense is from 1560s.

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existential (adj.)

1690s, "pertaining to existence," from Late Latin existentialis/exsistentialis, from existentia/exsistentia (see existence). As a term in logic, "expressing or stating the fact of existence," from 1819; in philosophy, from 1937, tracing back to the Danish works of Kierkegaard (see existentialism). Related: Existentially.

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foodstuff (n.)
"substance or material suitable for food," 1870, from food + stuff (n.). Related: Foodstuffs.
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practicality (n.)

"character of being concerned with material considerations," 1809, from practical + -ity. Related: Practicalities.

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shelving (n.)

"material used for shelves; shelves collectively," 1817, verbal noun from shelve (v.1).

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corporeal (adj.)

1610s, "of a material or physical nature, not mental or spiritual," with adjectival suffix -al (1) + Latin corporeus "of the nature of a body," from corpus "body" (living or dead), from PIE *kwrpes, from root *kwrep- "body, form, appearance." Meaning "relating to a material body or physical thing" is from 1660s. Related: Corporeality, corporeally.

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