| 释义 |
▪ I. expanding, vbl. n.|ɛkˈspændɪŋ|
[f. as prec. + -ing1.]
The action of the vb. expand in its various senses. Also attrib.
1844Upton Physioglyphics 9 Putting g, then, first, and attaching to it its expanding sense. 1866G. Macdonald Ann. Q. Neighb. xxx. (1878) 517 Expanding of umbrellas.
▪ II. exˈpanding, ppl. a.
[f. as prec. + -ing2.]
That expands (in senses of the verb).
1. a. That opens out, or is opening out.
1776Withering Brit. Plants (1796) I. 239 Cup with 4 or 5 divisions, expanding, coloured, permanent. 1793Beddoes Math. Evid. p. ix, An unseasonable frost upon the tender petals of an expanding blossom.
b. expanding universe, the universe regarded as continually expanding, so that the galaxies are steadily receding from one another.
1931Times 7 Nov. 7/1 ‘The Expanding Universe’ was the subject of Sir Arthur Eddington's presidential address to the Physical Society at their meeting..last evening. 1932A. S. Eddington (title) The expanding universe. 1942Time 1 June 62/2 Chandrasekhar's inspiration was the ‘expanding universe’ theory of Belgium's Canon Georges Lemaître, who eleven years ago suggested that all the matter in the universe was once condensed into a single primordial atom. 1958Listener 4 Dec. 934/1 The modern concept of the expanding universe.
2. That increases in bulk, or becomes enlarged. expanding bullet = dum-dum bullet.
1859National Mag. VI. 56/1 Rifles employing expanding or upsetting bullets. 1873J. Whitworth Guns & Steel 21 With all expanding bullets, a quick burning powder must be employed. The expansion depends on the sudden action of the powder upon a bullet possessing inertia. 1874Knight Dict. Mech., Expanding-alloy, such as expands in cooling. Ibid., Expanding-bit, a boring-tool whose diameter is adjustable. 1887Spectator 2 Apr. 458/2 Prosperity of many kinds, continuous and expanding, has been the characteristic of the period. 1909Westm. Gaz. 29 Dec. 7/4 The ammunition from Europe consists of expanding bullets. |