American Heritage® Dictionary of the English Language, Fourth Edition
- n. A renewal of youthful appearance or character.
Century Dictionary and Cyclopedia
- n. A renewal of the appearance, powers, or feelings of youth.
- n. In biology, a transformation whereby the entire protoplasm of a vegetative cell changes into a cell of a different character—that is, into a primordial cell which subsequently invests itself with a new cell-wall and forms the starting-point of the life of a new individual. It occurs in numerous algæ, as Œdogonium, and also in some diatoms.
- n. The renewal of vitality, which has been exhausted through repeated cell-division, by the sexual union of two cells into a cell of compound origin.
GNU Webster's 1913
- n. A renewing of youth; the state of being or growing young again.
- n. (Bot.) A method of cell formation in which the entire protoplasm of an old cell escapes by rupture of the cell wall, and then develops a new cell wall. It is seen sometimes in the formation of zoöspores, etc.
“The pollen cells are formed from mother cells by a process of cell division and subsequent setting free of the daughter cells or pollen cells by rejuvenescence, which is distinctly comparable with that of the formation of the microspores of Lycopodiaceæ, etc. The subsequent behavior of the pollen cell, its division and its fertilization of the germinal vesicle or oosphere, leave no doubt as to its analogy with the microspore of vascular cryptogams.”
“There are some mechanical aids in reading which may prove of great utility, and form a kind of rejuvenescence of our early studies.”
“Chaucer, upon which this kind of rejuvenescence has been bestowed by”
“Japanese the type of permanence up to a generation ago, when he suddenly awoke and startled the world with a rejuvenescence the like of which the world had never seen before.”
“A vast sense of rejuvenescence pervades the significant classes, a sense of new importance in the world.”
“Physically the Great Change did not do so very much to reinvigorate her — she had lived in that dismal underground kitchen in Clayton too long for any material rejuvenescence — she glowed out indeed as a dying spark among the ashes might glow under a draught of fresh air — and assuredly it hastened her end.”
“These great conjurors are generally sought for in the City; and in truth the cauldrons are kept boiling though the result of the process is seldom absolute rejuvenescence.”
“This rejuvenescence was noticeable within two hours after her death; & when I went down again (2. 3o) it was complete.”
“Never had the garden looked more meetly set, never had the sun shone more genially, and the air impelled the blood and sent it coursing more joyously through his veins, than on that morning of the rejuvenescence of all his high ideals.”
“You have in yourself another kind of grace, another wit, another coquetry, and above all that rejuvenescence of heart and mind which those women have never had.”
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