%echo%

n. [ . ] any of a group of chemicals having a benzene ring substituted with two hydroxyl groups in ortho position, especially ortho-dihydroxybenzene itself (C6H6O2), also called pyrocatechol, used in photography and as a reagent. [ PJC ]

n. [ catechol + amine. ] any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland. They function as nerotransmitters in the sympathetic nervous system. Also, any structurally related chemical substance, whether natural or synthetic. [ WordNet 1.5 +PJC ]

n. a native or inhabitant of Czechoslovakia; a Czechoslovakian.
Syn. -- Czechoslovakian, Czech. [ WordNet 1.5 ]

prop. adj. Of or pertaining to Czechoslovakia. Since the dissolution of Czechoslovakia into the Czech republic and Slovakia in January 1993, this term no longer refers to any current country.
Syn. -- Czechoslovak, Czech. [ WordNet 1.5 +PJC ]

2. Of, pertaining to, or characteristic of the inhabitants of Czechoslovakia or the Czech Republic; as, the Czech population.
Syn. -- Czechoslovak, Czech. [ WordNet 1.5 ]

prop. n. a native or inhabitant of Czechoslovakia. Since the dissolution of Czechoslovakia into the Czech republic and Slovakia in January 1993, this term no longer refers to a citizen of any current country. The natives of the former Czechoslovakia are now Czechs or Slovaks.
Syn. -- Chechoslovak, Czech. [ WordNet 1.5 +PJC ]

n. [ Sp. derecho straight. ] A straight wind without apparent cyclonic tendency, usually accompanied with rain and often destructive, common in the prairie regions of the United States. [ Webster 1913 Suppl. ]

n.; pl. Echoes [ L. echo, Gr. 'hchw` echo, sound, akin to 'hchh`, 'h^chos, sound, noise; cf. Skr. vāç to sound, bellow; perh. akin to E. voice: cf. F. écho. ] 1. A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound. [ 1913 Webster ]

The babbling echo mocks the hounds. Shak. [ 1913 Webster ]

The woods shall answer, and the echo ring. Pope. [ 1913 Webster ]

2. Fig.: Sympathetic recognition; response; answer. [ 1913 Webster ]

Fame is the echo of actions, resounding them. Fuller. [ 1913 Webster ]

Many kind, and sincere speeches found an echo in his heart. R. L. Stevenson. [ 1913 Webster ]

3. (a) (Myth. & Poetic) A wood or mountain nymph, regarded as repeating, and causing the reverberation of them. [ 1913 Webster ]

Sweet Echo, sweetest nymph, that liv'st unseen
Within thy airy shell. Milton.

(b) (Gr. Myth.) A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice. [ 1913 Webster ]

Compelled me to awake the courteous Echo
To give me answer from her mossy couch. Milton. [ 1913 Webster ]

4. (Whist, Contract Bridge) (a) A signal, played in the same manner as a trump signal, made by a player who holds four or more trumps (or as played by some exactly three trumps) and whose partner has led trumps or signaled for trumps. (b) A signal showing the number held of a plain suit when a high card in that suit is led by one's partner. [ Webster 1913 Suppl. ]

Echo organ (Mus.), a set organ pipes inclosed in a box so as to produce a soft, distant effect; -- generally superseded by the swell. --
Echo stop (Mus.), a stop upon a harpsichord contrived for producing the soft effect of distant sound. --
To applaud to the echo, to give loud and continuous applause. M. Arnold. [ 1913 Webster ]

I would applaud thee to the very echo,
That should applaud again. Shak. [ 1913 Webster ]

v. t. [ imp. & p. p. Echoed p. pr. & vb. n. Echoing. -- 3d pers. sing. pres. Echoes ] 1. To send back (a sound); to repeat in sound; to reverberate. [ 1913 Webster ]

Those peals are echoed by the Trojan throng. Dryden. [ 1913 Webster ]

The wondrous sound
Is echoed on forever. Keble. [ 1913 Webster ]

2. To repeat with assent; to respond; to adopt. [ 1913 Webster ]

They would have echoed the praises of the men whom they envied, and then have sent to the newspaper anonymous libels upon them. Macaulay. [ 1913 Webster ]

v. i. To give an echo; to resound; to be sounded back; as, the hall echoed with acclamations. “Echoing noise.” Blackmore. [ 1913 Webster ]

n. (Music, broadcasting) A room with walls that resonate sound, producing audible echoes; it is used especially to create special sound effects in recording music. [ PJC ]

n. One who, or that which, echoes. [ 1913 Webster ]

adj. 1. (linguistics) Formed in imitation of a natural sound; -- of words. Contrasted to nonechoic.
Syn. -- imitative, onomatopoeic, onomatopoeical, onomatopoetic. [ WordNet 1.5 ]

2. Like or characteristic of an echo.
Syn. -- echolike. [ WordNet 1.5 ]

adj. Reflecting sounds so as to create multiple echoes; as, a hotel with echoing halls. [ WordNet 1.5 ]

a. Without echo or response. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, sound + -meter: cf. F. échomètre. ] (Mus) A graduated scale for measuring the duration of sounds, and determining their different, and the relation of their intervals. J. J. Rousseau. [ 1913 Webster ]

n. [ Cf. F. échométrie. ] 1. The art of measuring the duration of sounds or echoes. [ 1913 Webster ]

2. The art of constructing vaults to produce echoes.

{ , pron. Each one. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ Echo + -pathy, as in homeopathy. ] (Med.) A morbid condition characterized by automatic and purposeless repetition of words or imitation of actions. [ Webster 1913 Suppl. ]

n. [ Gr. &unr_;, &unr_;, sound + -scope. ] (Med.) An instrument for intensifying sounds produced by percussion of the thorax. Knight. [ 1913 Webster ]

a. Chosen beforehand. [ 1913 Webster ]

n. Same as Malicho. [ 1913 Webster ]

n. A species of jalap, of very feeble properties, said to be obtained from the root of a species of Convolvulus (Convolvulus Mechoacan); -- so called from Michoacan, in Mexico, whence it is obtained. [ 1913 Webster ]

‖n. [ F. quelque chose something. ] A trifle; a kickshaw. Donne. [ 1913 Webster ]

v. t. To choose again. [ 1913 Webster ]

v. t. To echo back; to reverberate again; as, the hills reecho the roar of cannon. [ 1913 Webster ]

2. To repeat back.
Syn. -- echo back. [ WordNet 1.5 ]

, v. i. To give echoes; to return back, or be reverberated, as an echo; to resound; to be resonant; to echo repeatedly, again and again. [ 1913 Webster ]

And a loud groan reechoes from the main. Pope. [ 1913 Webster ]

n. The echo of an echo; a repeated or second echo. [ 1913 Webster ]

n. [ Gr. &unr_; to run + -meter. ] An odometer for vehicles. Knight. [ 1913 Webster ]