...There are long, wide streets, two of which, meeting at an obtuse angle, form together an extent of nearly a mile... 
Horatio Bridge 「Journal of an African Cruiser」
...Bill short, thick, very strong, covered at the base by a cere; upper mandible sharply hooked; under mandible obtuse, curving upwards, and much shorter...
William Swainson 「Zoological Illustrations, Volume I」
...Shell with elevated, longitudinal, obtuse, entire ribs, the interstices smooth, the base granulated; spire lengthened; pillar four-plaited; aperture short...
William Swainson 「Zoological Illustrations, Volume I」
...Antennæ linear, thickened in the middle, externally ciliated in the male, simple and filiform in the female, gradually ending in an arcuated, obtuse hook...
William Swainson 「Zoological Illustrations, Volume I」
...Palpi short, obtuse, alike in both sexes...
William Swainson 「Zoological Illustrations, Volume I」
...Shell small, olive; spire longer than the aperture; the tip obtuse, rufous; basal whorl slightly carinated in the middle; umbilicus obsolete...
William Swainson 「Zoological Illustrations, Volume II」
...Shell nearly cylindrical, carinated, fulvous; spire depressed, concave, spotted, tip acute, the whorls very concave, with numerous subgranulated striæ; base obtuse, striated, with a gibbous belt...
William Swainson 「Zoological Illustrations, Volume II」
...Thus in some specimens () the oblique terminal knob is developed into a short bar, forming an obtuse angle with the rectangular bar...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Fortunately for Van Slyck, however,he was obtuse to irony...
John Charles Beecham 「The Argus Pheasant」
...Obtuse-angulate: two markings or marginsmeeting so as to form an obtuse angle...
John. B. Smith 「Explanation of Terms Used in Entomology」
...The nestthen takes the form of a demi-ellipsoid, or, in other words, half an eggcut longitudinally; more or less obtuse at one end, but pointed at theother, and sometimes ending in a short curved tail...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The sensitive scheduleof the Cerambyx-grub, therefore, is limited to taste and touch, bothexceedingly obtuse...
J. H. Fabre 「The Wonders of Instinct」
...taylori there is an obtuse ridge or prominence across the bridge, on aline joining the free lateral edges of the plastron; the area between the ridgesis nearly flat...
John M. Legler 「A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, Mexico」
...Herethey meet at an obtuse angle...
Ernst Haeckel 「The Evolution of Man」
...The ingot cast for the receptacle was beaten into a plate(triangular in shape, with obtuse corners), of a size which the smithguessed would be large enough for his purpose...
Washington Matthews 「Navajo Silversmiths」
...Its obtuse roof is justabout the true angle...
John Ruskin 「The Poetry of Architecture」
...It may be described as formed by the two upper sides of a triangle,more or less obtuse or acute...
Matthew Holbeche Bloxam 「The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.」
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