Chlamydia is a common sexually transmitted disease. It is caused by bacteria called Chlamydia trachomatis. It can infect both men and women. Women can get chlamydia in the cervix, rectum, or throat. Men can get chlamydia in the urethra (inside the penis), rectum, or throat.
spark noun (FIRE/ELECTRICITY). C2 [C] a very âsmall âpiece of âfire that âflies out from something that is âburning, or one that is made by ârubbing two hard things together, or a âflash of âlight made by âelectricity: Sparks were âflying out of the âbonfire and âblowing âeverywhere.
noun. The definition of a catalyst is someone or something that speeds up or brings about an event. An example of catalyst is how President Bush's claims that Iraq had weapons of mass destruction started the war in Iraq. Catalyst is defined as a substance that speeds up the rate of a chemical reaction.