| 单词 | normal |
| 释义 | Word Frequency normal(ˈnɔːməl) adjective 1. usual; regular; common; typical the normal way of doing it the normal level 2. constituting a standard if we take this as normal 3. psychology a. being within certain limits of intelligence, educational success or ability, etc b. conforming to the conventions of one's group 4. biology, medicine (of laboratory animals) maintained in a natural state for purposes of comparison with animals treated with drugs, etc 5. chemistry (of a solution) containing a number of grams equal to the equivalent weight of the solute in each litre of solvent Symbol: N6. chemistry denoting a straight-chain hydrocarbon: a normal alkane . Prefix: n-, e.g. n- octane 7. geometry another word for perpendicular (sense 1) noun 8. the usual, average, or typical state, degree, form, etc 9. anything that is normal 10. geometry a line or plane perpendicular to another line or plane or to the tangent of a curved line or plane at the point of contact Derived forms normality (nɔːˈmælɪtɪ) or especially US normalcy (ˈnormalcy) noun Word origin C16: from Latin normālis conforming to the carpenter's square, from norma norm |
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