31. Pig marrow is also often added in order to form a gelatin that allows it to congeal . 32. He found that the freezing conditions had caused the engine oil to congeal , jamming the pistons. 33. If the weak disturbances somehow congeal east of the Rockies, a single, powerful storm could develop. 34. Then the whole smear was poured into small butter crocks and set back on the porch to congeal . 35. A cold soup, however, wants none of this sentimentality ( the butter will ultimately congeal ). 36. Scytodidae catch their prey by spitting a fluid that congeals on contact into a venomous and sticky mass. 37. The berries are high in pectin which makes the jam congeal as it cools after having been boiled. 38. If I put in the fridge, the olive oil congeals into an unappetizing, solid yellow cylinder. 39. Use motorcycle-chain oil, because it congeals and will not be thrown off when the chain spins. 40. Chill pie until gelatin congeals , place drained grapefruit sections in a close circular fashion in the pie shell.