| Polyacid | a. [ Poly- + acid. ] (Chem.) Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases; |
| Placid | a. [ L. placidus, originally, pleasing, mild, from placere to please: cf. F. placide. See Please. ] Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle. “That placid aspect and meek regard.” Milton. “Sleeping . . . the placid sleep of infancy.” Macaulay. [ 1913 Webster ] |
| Placidity | n. [ L. placiditas: cf. F. placidité. ] The quality or state of being placid; calmness; serenity. Hawthorne. [ 1913 Webster ] |
| Placidly | adv. In a placid manner. [ 1913 Webster ] |
| Placidness | n. The quality or state of being placid. [ 1913 Webster ] |
| placid | (adj) สงบนิ่ง, See also: เยือกเย็น, นิ่งเงียบ, Syn. calm, peaceful, untroubled, Ant. agitated, disturbed |
| I don't suppose he'll lose his temper with you. You seem such a placid little thing. | แต่ฉันไม่คิดว่าเขาจะกล้าโมโหใส่คุณหรอก คุณออกจะเรียบร้อยปานนี้ Rebecca (1940) |
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| placid | (adj) (of a body of water) free from disturbance by heavy waves, Syn. unruffled, quiet, smooth, still, tranquil, Example: a ribbon of sand between the angry sea and the placid bay; the quiet waters of a lagoon; a lake of tranquil blue water reflecting a tranquil blue sky; a smooth channel crossing; scarcely a ripple on the still water; unruffled water |
| placidity | (n) a feeling of calmness; a quiet and undisturbed feeling, Syn. placidness |
| placidly | (adv) in a quiet and tranquil manner, Example: the sea now shimmered placidly before our eyes |
| placidly | (adv) in a placid and good-natured manner, Example: I put the questions, and she answered them placidly |
