What's the difference between lesson and premolar?

Lesson


Definition:

  • (n.) Anything read or recited to a teacher by a pupil or learner; something, as a portion of a book, assigned to a pupil to be studied or learned at one time.
  • (n.) That which is learned or taught by an express effort; instruction derived from precept, experience, observation, or deduction; a precept; a doctrine; as, to take or give a lesson in drawing.
  • (n.) A portion of Scripture read in divine service for instruction; as, here endeth the first lesson.
  • (n.) A severe lecture; reproof; rebuke; warning.
  • (n.) An exercise; a composition serving an educational purpose; a study.
  • (v. t.) To teach; to instruct.

Example Sentences:

  • (1) Alternatively, try the Hawaii Fish O nights, every Friday from 26 July until the end of August, featuring a one-hour paddleboard lesson, followed by a fish-and-chip supper looking out over the waves you've just battled (£16.75).
  • (2) The only lesson I’ll learn from this is don’t win in the third round.
  • (3) As the Independent prepares to bring out its new daily, i, what lessons could it take from its namesake in Portugal ?
  • (4) The £1m fine, proposed during the Leveson inquiry into press standards, was designed to demonstrate how seriously the industry was taking lessons learned after the failure of the Press Complains Commission tto investigate phone hacking at the News of the World.
  • (5) The lesson, spelled out by Oak Creek's mayor, Steve Saffidi, was that it shouldn't have taken a tragedy for Sikhs, or anyone else, to find acceptance.
  • (6) Lessons have been learned from previous Games, not least London 2012, in how to best frame the sporting action for maximum impact – not only for those watching on television but those attending in person.
  • (7) Children as young as 18 months start by sliding on tiny skis in soft supple boots, while over-threes have more formal lessons in the snow playground.
  • (8) On Sunday, a spokesman for the Ministry of Justice confirmed a serious further offence review would take place to see if lessons can be learned from the case.
  • (9) Among the implications of the less-than-impressive substantive results of the MWTA is the lesson that while a crisis can tilt the political balance in favor of regulatory legislation, it cannot as readily produce the consensus required to sustain that regulation at the levels promised in the legislation.
  • (10) Lord Mandelson told bankers today that the one-off tax that will be imposed on their bonuses in today's pre-budget report was not designed to "teach them a lesson".
  • (11) But when he decided to teach you a lesson, he was relentless, and he took no prisoners.
  • (12) There are harsh lessons in football and we have learned some over the last week.” Two James Milner penalties and goals from the impressive Adam Lallana, Sadio Mané and Philippe Coutinho took Liverpool’s tally to 24 in eight games.
  • (13) But you have to accept it, learn fast and mature, to be strong.” It would be a decade before those lessons needed to applied again.
  • (14) Mr Cameron said on Thursday that our duty is "to honour those who served; to remember those who died; and to ensure that the lessons learned live with us for ever".
  • (15) Our latest Global development podcast explores the lessons the Ebola outbreak can teach us about global health inequality, looking at the weaknesses in the current response, the shortfall in global health spending, and the actions required to prevent further outbreaks.
  • (16) Cameron also believes the planned peace talks can lure Assad's acolytes to break with their leader by vowing that if he goes, the existing military and security services will be preserved, saying the aim was "to learn the lessons of Iraq".
  • (17) According to Krugman, our governments have failed to learn the lessons of the Great Depression.
  • (18) One theory is that the army have learned the lesson of 2012 – the year they ruled Egypt and turned the people against them – that they will protect their interests and their privileged position and return as soon as possible to the director's chair – in the shadows.
  • (19) The lessons from successful, modern economies is that the state has to be active in supporting, promoting, and demanding innovation in order to flourish.
  • (20) The British and Canadian experiences provide lessons from which America can profit, and the Oregon health plan is an experiment in this direction.

Premolar


Definition:

  • (a.) Situated in front of the molar teeth.
  • (n.) An anterior molar tooth which has replaced a deciduous molar. See Tooth.

Example Sentences:

  • (1) Maxillary and mandibular incisors and premolars of three rhesus monkeys were used.
  • (2) Erosion was observed on all teeth, but was commonest on the upper incisors, canines and premolars, and severest on palatal surfaces.
  • (3) Sound (n = 28) and carious (n = 123) approximal surfaces of extracted premolars and molars were radiographed.
  • (4) Four weeks after replantation, a more than threefold increase in PBF was measured in premolars with two roots, while PBF in premolars with one root and incisors was consistently reduced to an average of 40% of the controls.
  • (5) Molarization and premolarization of anterior teeth have never been reported before.
  • (6) The mandible does tend to rotate in a counterclockwise manner following enucleation of four first premolars without appliance therapy.
  • (7) Eight cases were studied separately, since three showed bilateral congenital absence of the second premolar, three showed unilateral congenital absence of the second premolar on the affected side, and two had the first permanent molar extracted.
  • (8) A "sweep" bend was incorporated to avoid unwanted side effects at the second premolar.
  • (9) Furthermore, agenesis of incisors, canines and premolars ranges from 0.4% in controls to 1.3% in propositi having reduced ULI and 5.0% in propositi with two missing ULI.
  • (10) The aberrant gland appeared on a panoramic radiograph as a radiolucency judged to be a periapical lesion on the right mandibular second premolar.
  • (11) All premolars were extracted after 1 calendar month.
  • (12) The purpose of the present radiologic study was to establish prevalence and distribution of pulp stones in mandibular premolars and molars in skulls of Norwegian Samis.
  • (13) One hundred and eighty seven mandibular premolars taken from a Turkish population were examined in this study.
  • (14) Forty molar and premolar teeth had non-retentive cavities prepared and restored with amalgam using (1) copal varnish (control), (2) a pin, (3) Amalgambond or (4) Panavia-Ex.
  • (15) Bone biopsies should be taken in either the premolar or the molar region of mandibular bodies.
  • (16) An unusual case of Stafne's bone cavity which presented in the canine-premolar region of the mandible is presented.
  • (17) Spaces needing prosthetic closure are transferred to more posterior regions of the dental arch, usually in the premolar region.
  • (18) In a second series of analyses, the mean lead concentrations of both dental hard tissues of premolars and permanent molars of young individuals from Strasbourg, rural Alsace, and Mexico City were compared.
  • (19) Autotransplantation of mandibular first premolars to the incisor region is suggested as an approach in selected cases.
  • (20) The samples were collected from both an intact fissure and a fissure with brown-stained defective enamel surface of the premolars of the lower jaw.