What's the difference between irritate and roil?

Irritate


Definition:

  • (v. t.) To render null and void.
  • (v. t.) To increase the action or violence of; to heighten excitement in; to intensify; to stimulate.
  • (v. t.) To excite anger or displeasure in; to provoke; to tease; to exasperate; to annoy; to vex; as, the insolence of a tyrant irritates his subjects.
  • (v. t.) To produce irritation in; to stimulate; to cause to contract. See Irritation, n., 2.
  • (n.) To make morbidly excitable, or oversensitive; to fret; as, the skin is irritated by friction; to irritate a wound by a coarse bandage.
  • (a.) Excited; heightened.

Example Sentences:

  • (1) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
  • (2) testosterone, fentanyl, nicotine) may ultimately be administered in this way, important questions pertaining to pharmacology (tolerance), toxicity (irritation, sensitisation) and dose sufficiency (penetration enhancement) remain.
  • (3) It was shown that the antibiotic had low acute toxicity, did not cumulate and had no skin-irritating effect.
  • (4) Inhibition of binding of [3H]TPA to the receptor preparation by tigliane and ingenane DTE correlates with irritant activity in vivo, while some daphnane and 1 alpha-alkyldaphnane DTE inhibit binding of [3H]TPA in a less pronounced manner but still are very irritant.
  • (5) Exposure to irritants was also more common among the asthmatics than the nonasthmatics with similar exposure to organic allergens (P = 0.004).
  • (6) The purpose of this study was to develop a new model for the induction of chronic irritant contact dermatitis, which would reflect well the conditions of daily practice.
  • (7) The drug I started taking caused an irritating, chronic cough, which disappeared when I switched to an inexpensive diuretic.
  • (8) These injections led to epidermal hyperplasia in areas overlying the irritant and the effect was most significant when the irritant was placed in the upper dermis.
  • (9) Two children required lidocaine therapy for cardiac irritability manifesting as multifocal PVCs and ventricular tachycardia.
  • (10) In autumn, leaf-heaps composted themselves on sunken patios, and were shovelled up by irritated owners of basement flats.
  • (11) The dietary fibre intake of 25 patients with the irritable bowel syndrome was assessed by dietary recall over one week for the period before onset of symptoms, at diagnosis and after six months treatment with bran and a fibre-rich diet, and compared with controls matched for age and sex.
  • (12) A case of epidermoid tumor of the sacral area with S3 root irritation resulting in bladder dysfunction is presented and its possible relationship to spinal puncture is discussed.
  • (13) The present study did not identify any baseline parameters such as initial prostate volume, peak flow rates, or obstructive or irritative symptom scores that correlated with clinical outcome.
  • (14) Scores on the "dependent smoking" subscale of the smoking motivation questionnaire correlated significantly with overall withdrawal severity, craving, and increased irritability.
  • (15) The airways can be affected by inflammation, can be targets of infection, and can respond to chemical irritants with bronchoconstrictive responses.
  • (16) Some pulp irritation can occur if deep restorations are not placed over a protective film.
  • (17) MIDAZOLAM IS SUPERIOR TO DIAZEPAM IN CERTAIN WAYS: it has a more rapid onset; produces greater anterograde amnesia, less postoperative drowsiness, less venous irritation and less likelihood of thrombophlebitis development.
  • (18) Primary invasive adenocarcinoma of the bladder was diagnosed in a fifty-two-year-old male with a two-month history of irritative voiding symptoms.
  • (19) We studied seventy patients, 23 males and 47 females with irritable bowel syndrome in adolescence aged 13-19 yrs, who visited the department of psychosomatic medicine in Takano Hospital during about six year period of April, 1986-July, 1992.
  • (20) The study suggested that 1) diabetes and "prediabetes" produce significant changes in levels of chondroitin 4, 6, and dermatan sulfates within alveolar bone, 2) in "prediabetic" animals, interdental bone loss occurs prior to the onset of clinical symptoms and in the absence of local irritating factors, the bone height appears to return to normal levels, and 3) there may be a correlation between alveolar bone height and relative levels of dermatan sulfate.

Roil


Definition:

  • (v.) To render turbid by stirring up the dregs or sediment of; as, to roil wine, cider, etc. , in casks or bottles; to roil a spring.
  • (v.) To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex.
  • (v. i.) To wander; to roam.
  • (v. i.) To romp.

Example Sentences:

  • (1) The self-described billionaire launched his campaign by referring to Mexicans as “rapists” and “killers”, the first in a series of controversial remarks that have roiled the GOP primary.
  • (2) Within six months, any stop, search or arrest by a police officer in the city – roiled by unrest in 2014 after the fatal shooting of unarmed black 18-year-old Michael Brown – must be captured on camera, according to the draft agreement with federal officials published on Wednesday.
  • (3) The issue may have roiled the political world this week, much as boasting of groping women overshadowed the previous debate, but what really distinguished the third and final television showdown of the reality TV election was the unusual amount of time both candidates devoted to attacking each other’s policies rather than each other.
  • (4) Or perhaps this latest ambush is just an excuse to resume the government’s internal warfare, which has been roiling away since January.
  • (5) Dazed survivors stand immobile in a huge, roiling cloud of dust.
  • (6) "Markets roiled" Bond traders continued to view Greek debt as hugely risky.
  • (7) Last month’s business sentiment was also weighed down by sharp declines in China’s stock market and a surprise currency devaluation that roiled markets worldwide and a devastating explosion in the busy port of Tianjin.
  • (8) The embarrassing event has the potential to torpedo the rest of President Enrique Peña Nieto’s administration and roil relations between the US and Mexico,” it said.
  • (9) The roiling is so surround sound it's hard to hear him.
  • (10) Following a month-long rout on Chinese stock markets, authorities devalued the yuan several times last week, roiling global equity markets and sparking fears of a currency war in which countries compete to boost exports by cutting the value of their currency.
  • (11) With the undocumented comprising as much as half of the uninsured population in Los Angeles, the issue has echoes of the roiling immigration debate.
  • (12) Leaders from Ferguson, Missouri , are to meet Department of Justice officials on Tuesday to discuss a federal review of their policing of the town, which was roiled by protests following the fatal shooting of an unarmed 18-year-old last year.
  • (13) The new measures come as the White House tries to both ratchet up pressure on Tehran to abandon its nuclear programme and dissuade Israel from launching a unilateral strike on Iran, a move that could roil the Middle East and jolt the global economy.
  • (14) The decision not to indict Pantaleo touched off protests that roiled the streets in New York City and beyond and raised issues of police brutality, racial equity and the efficacy of grand juries.
  • (15) The historical memory of his presidential monuments has been consumed by fantasies of small-town life but it is a landscape of whitewashed buildings against the undulating emptiness, a country roiling with dreams.
  • (16) Al-Qaida in the Arabian Peninsula has taken advantage of the political turmoil roiling Yemen.
  • (17) Rather than reach out he retreats, and roils at the fickleness of everything – entreating media boosters to validate him, telling the colleagues they have no right to desert him, while pondering who he can jettison in order to save himself.
  • (18) I’m also proud that [CPS] has moved in the opposite direction of some of the more regressive legislation that’s been passed.” Controversy is roiling over transgender students and their rights in the nations’ schools, with some schools and even whole states taking steps to force students to use facilities in conflict with their gender identity.
  • (19) Modi was ostracised for his actions, or inactions, during the Godhra riots , sectarian violence that roiled across his state for a month in 2002 in which 1,000 or more people, largely Muslim, died.
  • (20) Opinionated butchers, bakers and candlestick makers, hacks, artists and pornographers, impresarios and charlatans were now the protagonists in a roiling landscape of new ideas and opportunities.

Words possibly related to "roil"