Sentence Examples with the word imperfect

The spores of the homosporous Vascular Cryptogams are usually of small size; the prothalli produced from them usually bear both antheridia and archegonia, though under special conditions an imperfect sexual differentiation may result.

The defects of Descartes lie rather in his apparently imperfect apprehension of the principle of movements uniformly accelerated which his contemporary Galileo had illustrated and insisted upon, and in the indistinctness which attaches to his views of the transmission of motion in cases of impact.

My instructors soon became sufficiently familiar with my imperfect speech to answer my questions readily and correct mistakes.

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Having considered that in an imperfect work time is an ingredient, but into a perfect work time does not enter, he said to himself, It shall be perfect in all respects, though I should do nothing else in my life.

On account of the slow rate of fire imposed by black powder, the rapidity of laying conferred by its use was of no great advantage, and it was unsuited to the imperfect mechanical arrangements of the gun mountings of the time.

This is due to (a) the dirty condition of the cows' udders, (b) the imperfect cleansing of the cans and of the hands of the milkers.

The Anomomeristic Arachnida form a single sub-class, of which only imperfect fossil remains are known.

Alteration in the symmetrical arrangement as well as in the completeness and regularity of flowers has been traced to suppression or the non-development of parts, degeneration or imperfect formation, cohesion or union of parts of the same whorl, adhesion or union of the parts of different whorls, multiplication of parts, and deduplication (sometimes called chorisis) or splitting of parts.

Our progeny will look back at us and wonder how we ever made any progress, having only tiny bits of anecdotal data and imperfect knowledge.

The knowledge that the deepest devotion underlies misunderstandings is often a very imperfect consolation; but such devotion clearly existed all through, and proves the defect to have been relatively superficial.