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English-Thai Dictionary

superphosphate

N สารผสม ระหว่าง กรดกำมะถัน และ Calauim sulfate

Webster's 1913 Dictionary

SUPERPHOSPHATE

SUPERPHOSPHATE Su `per *phos "phate, n. (Chem. )

Defn: An acid phosphate. Superphosphate of lime (Com. Chem. ), a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral calcium phosphate, Ca3 (PO4 )2, is changed to the primary or acid calcium phosphate Ca (H2PO4 )2, which is soluble and therefore available for the soil.

New American Oxford Dictionary

superphosphate

su per phos phate |ˈso͞opərˌfäsˌfāt ˌsupərˈfɑsfeɪt | ▶noun a fertilizer made by treating phosphate rock with sulfuric or phosphoric acid.

Oxford Dictionary

superphosphate

super |phos ¦phate |ˌsuːpəˈfɒsfeɪt, ˌsjuː -| ▶noun [ mass noun ] a fertilizer made by treating phosphate rock with sulphuric or phosphoric acid.