(1) Rustic humors punctuate and leaven the boxlike patterns of the plot, which gathers itself before each action as if for an aria.(2) The children of Israel left Egypt in a hurry and did not have time to leaven their bread.(3) they acted as an intellectual leaven to the warriors who dominated the city(4) There is lots of humor to leaven the suspense, as Christie fans will expect, particularly in scenes where Poirot gets to trump suspects who have treated him dismissively.(5) Air bubbles can also be trapped in beaten egg whites, a technique used to leaven angel food or sponge cakes.(6) Once active, even a small amount of leaven will be able to convert a very large quantity of new flour and water into fresh leaven overnight.(7) Once a batch of bread has been mixed with the leaven , there are two ways in which the system can be perpetuated.(8) For the next two weeks the schedules will be Olympics wall-to-wall, so I'm guessing that come next Friday we will all be gagging for a bit of inspired fiction to leaven the diet of real-life heartbreak and triumph.(9) There is humour enough to leaven proceedings.(10) I also was impressed by the amount of humor Washington uses to leaven the heavy material, giving every little character a realistic quirk and cutting judiciously on the funny lines to keep the timing solid.(11) After only five years of agitation, without abuse from us or any aggressive propagandism on our part, the leaven of this great truth has begun to work.(12) It is an accomplished film that uses dark humor to leaven its serious topics.(13) It works like a leaven of forgiveness and nonviolence in a culture prone to revenge and retribution.(14) And here, unlike in his previous shows, there is not enough humour or anger to leaven the piece, which takes its own philosophical possibilities just a little too seriously.(15) A little leaven certainly has the power to affect the whole lump.(16) Being in the world, the Christian acts within the culture as a leaven , trying to transform it by communicating to others the redemption brought by Christ.