What's the difference between abstruse and retruse?
Abstruse
Definition:
(a.) Concealed or hidden out of the way.
(a.) Remote from apprehension; difficult to be comprehended or understood; recondite; as, abstruse learning.
Example Sentences:
(1) Ed Miliband should be out and proud about his abstruse interests, his Masters in economics, his political obsession, his prioritising of the mental over the physical.
(2) Britain's sodden fields mean the debate about climate change is now no longer confined to some abstruse problem affecting glaciers in far-off countries.
(3) As if to underline how far leftfield Radiohead have subsequently shifted, it's followed by the instrumental Feral, which in its live incarnation – scattered rhythms overlaid with echoing vocal loops and waves of electronic noise – is arguably the most abstruse and uncommercial piece of music you're ever likely to hear booming around an arena venue.
(4) At its best, British public service broadcasting wants to share the best with everyone, it takes topics or themes which may seem abstruse or unapproachable – the science of the solar system, what you can learn about civilisation through physical artefacts – and then brings them to life with such conviction and creativity that they reach deep across a society.
(5) Thus the abstruse nomenclature in common use is avoided.
(6) Innovative dance music is still being made, but it exists almost entirely out of the realm of the charts: for all its ground-breaking brilliance, there have been few takers among the mainstream record-buyers for the new, deliberately abstruse, genre of "grime".
(7) I think the most abstruse one we've put in here is ferkidoodle."
(8) The lawyer among them, the ever resourceful Markus C Kerber, probably came up with the abstruse idea of supporting their case by quoting the right to resistance.
(9) Filesharing tools have gone from the primitive, easily monitored and abstruse (IRC or the early Napster) to a very easy, attack-resistant architecture that was built in response to entertainment industry attacks.
(10) Or perhaps it's just a load of bumwash with wilfully abstruse bells on.
(11) In a less abstruse way, Twitter has already shown itself to be a useful conduit for circumventing legal or governmental censorship.
(12) The origins of this type of aberrant maternal behavior remain abstruse, as do the long-term psychological effects on the child victims.
(13) Shenouda's hundred books and countless sermons untangled abstruse dogma in a straightforward way.
(14) If it sounds a little abstruse, by the way, to try to solve the feminist framing of the ancient Greeks, the idea of a sex strike has reappeared more recently, in fiction if not in fact.
(15) For the lay person attempting to referee the row, and having to interpret such abstruse concepts as the Gini coefficient and, as Gaffney neatly summarises, whether "the r > g inequality is amplifying the reconcentration trend", illumination is hard to discern.
(16) For children about to undergo surgery and for their families, anxiety caused by the abstruse procedure and the child's separation can provoke a crisis.
(17) Whereas the effects of Fadenoperation on adduction incomitance are perfectly clear, those on the deviation in primary position still remain very abstruse.
(18) This manuscript is concerned with concepts rather than abstruse details or mathematics.
(19) Model theory is a branch of mathematics that treats such abstruse questions as "is there another number system, different from 0,1,2, ... that satisfies all the axioms of arithmetic?"
Retruse
Definition:
(a.) Abstruse.
Example Sentences:
(1) Retrognathia or retrusion of the maxilla and mid-face is present in about one-third of treated cleft palate patients.
(2) Deep notch cases had more retrusive mandibles with a shorter corpus, smaller ramus height, and a greater gonial angle than did shallow notch cases.
(3) Many subjects in both UCLP and CP groups showed an intrinsic maxillary retrusion and a steeper mandible.
(4) A maxillofacial examination, however, showed a total loss of the mandibular condyles, short rami and bodies, and a retrusion of the jaw.
(5) Four varieties of events were demonstrated: (a) swallowing acts followed by tongue retrusion, (b) tongue retrusions in isolation, (c) tongue retrusions followed by swallowing events, and (d) swallowing events in isolation.
(6) Ketamine-induced buccolinguopharyngeal motor activity was studied in rats visually and by means of force displacement transduction of tongue retrusions, electromyogram (EMG) of motor units of tongue muscles, and pressure transduction of swallowing acts.
(7) Unusual syndrome-specific facial features shared by the two include abnormally large midface, very high-set and widely placed eyes, retrusive and asymmetric upper alveolar region, very small malar bones, and long mastoid processes.
(8) These results suggest that the segregation of motoneurons corresponds to the functional distinction between tongue protrusion and retrusion.
(9) As a rule, there were also dento-alveolar compensations with retrusion of the lower front teeth and protrusion of the anterior maxillary teeth.
(10) Skeletal classifications were based on the relationship of the maxilla to the mandible; the three classifications were straight profile, retrusive chin profile, and prognathic profile.
(11) Three normal children who suffered midfacial trauma and developed midfacial retrusion that would require Le Fort III advancements for correction of the deformity are described.
(12) But the occlusal morphology is also associated with the swallow reflex: retrusive occlusal interferences tend to disturb it.
(13) Using systematic clinical evaluation and cephalometric skeletal analysis, a clinically recognizable facial deformity manifested by retrusion or hypoplasia, or both, of the maxilla, anterior zygoma, and infraorbital rims has been recognized.
(14) The deformity consists of varying degrees of midface retrusion, malocclusion, nasal deformity, and lip deformity.
(15) Cleft lip and palate was associated with deviations of global character related predominantly to the extent of retrusion of the upper and lower jaw.
(16) This type of osteotomy is indicated whenever a 6 to 8 mm mandibular retrusion is required.
(17) The hearing-impaired speakers with deviant resonance showed greater variation among speakers in tongue body position and a significant retrusion of the dorsum of the tongue at a site significantly lower than observed in hearing speakers.
(18) Two additional positive aspects of the procedure are that the risk of postpuberty maxillary retrusion is reduced, and palatal length is increased.
(19) It has also found that the discrepancy of the sagittal jaw relation was mainly caused by protrusive or retrusive position of the mandible relative to the cranial base.
(20) These responses include rapid vertical closing movements, retrusion, ipsilateral laterotrusion, and natural as well as contralateral mastication.