| 单词 | acid-free |
| 释义 | > as lemmasacid-free acid-free adj. not containing any acid; (of paper) having neutral or slightly alkaline pH and thus being more resistant to deterioration. ΚΠ 1889 Bot. Gaz. 14 271 A mixture of acid-free absolute alcohol and turpentine. 1930 Paper Terminol. (Spalding & Hodge) 1 Acid free, paper free from any acid or other material likely to have deleterious effects. 1934 R. F. Innes Causes & Prevention Decay in Leather 1/2 Modern knowledge demands that leather should not only be ‘Acid free’ but ‘Protected’ as well. 1999 C. Mendelson Home Comforts li. 614/1 Many serious publishers have begun printing their cloth-covered editions on acid-free pulp-based paper that will last for hundreds of years. < as lemmas |
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