maintain

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maintain

i. The term as used in air traffic control terminology and as it pertains to altitude/flight level means, “Remain at the altitude/flight level, as specified.” The phrase “climb and” or “descend and” normally precedes “maintain” and the altitude assignment (e.g., “Descend and maintain 6000”).
ii. Concerning other ATC (air traffic control) instructions, the term is used in a literal sense: “Maintain VFR (visual flight rules).”
iii. A verb of maintenance.
References in classic literature ?
She returned to the study and related what had just occurred, adding some sarcastic comments on the efficacy of moral force in maintaining collegiate discipline.
He sent me to Emanuel College in Cambridge at fourteen years old, where I resided three years, and applied myself close to my studies; but the charge of maintaining me, although I had a very scanty allowance, being too great for a narrow fortune, I was bound apprentice to Mr.
And he persisted, in spite of a considerable deal of ridicule, in maintaining that the telephone was destined to connect cities and nations as well as individuals.
But tell me, as thou livest, hast thou seen a more valiant knight than I in all the known world; hast thou read in history of any who has or had higher mettle in attack, more spirit in maintaining it, more dexterity in wounding or skill in overthrowing?
It may be observed however that Plato never intended to answer the question of casuistry, but only to exhibit the ideal of patient virtue which refuses to do the least evil in order to avoid the greatest, and to show his master maintaining in death the opinions which he had professed in his life.
The impossibility of maintaining order and dispensing justice among these sovereign subjects, produced the experiment of dividing the empire into nine or ten circles or districts; of giving them an interior organization, and of charging them with the military execution of the laws against delinquent and contumacious members.
But was it necessary to give an INDEFINITE POWER of raising TROOPS, as well as providing fleets; and of maintaining both in PEACE, as well as in WAR?
All the abbe's affections were concentrated on his niece, who regarded him as a father, but an abstracted father, unable to conceive the agitations of the flesh, and thanking God for maintaining his dear daughter in a state of celibacy; for he had, from his youth up, adopted the principles of Saint John Chrysostom, who wrote that "the virgin state is as far above the marriage state as the angel is above humanity.
Discussing the matter with him, a mere boy, I should be in perfect safety; for he would know nothing of the Proclamation of the Council; whereas I could not feel sure that my Sons -- so greatly did their patriotism and reverence for the Circles predominate over mere blind affection -- might not feel compelled to hand me over to the Prefect, if they found me seriously maintaining the seditious heresy of the Third Dimension.
He was handicapped in his flight by the weight of the girl whose legs would but scarce bear her weight, to say nothing of maintaining her in rapid flight, for the tightly drawn bonds that had been about her ankles for so long had stopped circulation and partially paralyzed her extremities.
This man was Armand Jean Duplessis, Cardinal de Richelieu; not such as he is now represented--broken down like an old man, suffering like a martyr, his body bent, his voice failing, buried in a large armchair as in an anticipated tomb; no longer living but by the strength of his genius, and no longer maintaining the struggle with Europe but by the eternal application of his thoughts--but such as he really was at this period; that is to say, an active and gallant cavalier, already weak of body, but sustained by that moral power which made of him one of the most extraordinary men that ever lived, preparing, after having supported the Duc de Nevers in his duchy of Mantua, after having taken Nimes, Castres, and Uzes, to drive the English from the Isle of Re and lay siege to La Rochelle.
His cousin was as absurd as he had hoped, and he listened to him with the keenest enjoyment, maintaining at the same time the most resolute composure of countenance, and, except in an occasional glance at Elizabeth, requiring no partner in his pleasure.