释义 |
Definition of perlite in English: perlitenoun ˈpəːlʌɪtˈpərlaɪt mass nounA form of obsidian consisting of glassy globules, used as insulation or in plant growth media. Example sentencesExamples - These soil mixtures should include sand, peat moss, perlite, vermiculite, and fir bark for adequate drainage.
- Use a premixed potting soil, usually composed of sand, peat moss, fine bark, perlite or vermiculite.
- Most soil-less mixes are a combination of peat, perlite & vermiculite and drain very quickly.
- With hot adhesives, however, it has to be paired with an insulation cover board of another type, such as perlite or wood fiber.
- The mix we use contains compost, peat, perlite, rock phosphates, blood meal, calcite clay and gypsum.
Origin Mid 19th century: from French, from perle 'pearl'. Definition of perlite in US English: perlitenounˈpərlaɪtˈpərlīt A form of obsidian characterized by spherlulites formed by cracking of the volcanic glass during cooling, used as insulation or in plant growth media. Example sentencesExamples - Use a premixed potting soil, usually composed of sand, peat moss, fine bark, perlite or vermiculite.
- These soil mixtures should include sand, peat moss, perlite, vermiculite, and fir bark for adequate drainage.
- With hot adhesives, however, it has to be paired with an insulation cover board of another type, such as perlite or wood fiber.
- The mix we use contains compost, peat, perlite, rock phosphates, blood meal, calcite clay and gypsum.
- Most soil-less mixes are a combination of peat, perlite & vermiculite and drain very quickly.
Origin Mid 19th century: from French, from perle ‘pearl’. |