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n. pl. lucidas
The brightest star in a constellation: Rigel is the lucida of the constellation Orion.

[New Latin (stēlla) lūcida : stēlla, star + lūcida, feminine of lūcidus, bright, clear, shining; see lucid.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
Lubbock made drawings for me with the camera lucida of the jaws which I had dissected from the workers of the several sizes.
"Oda sa Wala" is also set to have its North American premiere and will compete under the Camera Lucida section of the Fantasia Film Festival in Montreal, Quebec from July 11 to Aug.
"I met Sush over 13 years ago when we partnered with Westbrook Partners on two Upper East Side projects --995 Fifth Avenue and The Lucida," said Barnett.
A 90-mm reflector at 50x will separate the 8th-magnitude secondary from the lucida without problems.
Jet Leyco's 'Matangtubig (Town in a Lake)' won special mention in the AQCC-Camera Lucida award tilt of the recent 21st Fantasia International Film Festival in Montreal, Quebec, Canada.
span style="color: #333333; font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: #f8f8f8; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">NCB Capital Company acted as Sole Lead Manager for the issuance.
Ese mismo ano se publica de manera postuma un ensayo, quizas una de las reflexiones mas influyentes sobre la experiencia fotografica, titulado La camara lucida (La chambre claire).
C O'Donoghue 117 2 [1] 1261-2 KOORA45 (D) L Cumani 4 9-10 ..J P Spencer 115 3 [2] 236-46 LUCIDA (IRE)11 J Bolger 4 9-10 K J Manning 116 4 [4] 529-41 SPEEDY BOARDING28 (D) J Fanshawe 4 9-10 ..