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Exam: IELTS

cyanobacterium

IPA: //ˌsaɪ.ə.noʊ.bækˈtɪr.i.əm//

KK: /saɪənoʊbækˈtɪəriəm/

noun

Definition: A type of bacteria that can perform photosynthesis and are usually blue-green in color. They were previously classified as algae and can sometimes fix nitrogen from the air.

Example: Cyanobacterium can be found in many aquatic environments, contributing to the ecosystem by producing oxygen.

cyanocobalamin

IPA: //ˌsaɪ.ə.noʊ.kəˈbɑː.lə.mɪn//

KK: /saɪənəkoʊbɑːləmɪn/

noun

Definition: A form of vitamin B12 that is important for nerve function and the production of red blood cells.

Example: Cyanocobalamin is often used as a dietary supplement to prevent vitamin B12 deficiency.

cyanogen

IPA: //ˈsaɪ.ə.nə.dʒən//

KK: /saɪˈænədʒən/

noun

Definition: A colorless and highly toxic gas that is used in various applications, including as a rocket propellant and insecticide.

Example: Cyanogen is known for its use in chemical weapons due to its extreme toxicity.

cyanogenesis

IPA: //ˌsaɪənəʊˈdʒɛnɪsɪs//

KK: /saɪənəˈdʒɛnɪsɪs/

noun

Definition: The process of producing cyanide, a toxic compound, often occurring in certain plants or during specific chemical reactions.

Example: Cyanogenesis can be a defense mechanism for some plants against herbivores.

cyanogenic

IPA: //ˌsaɪəˈnəʊdʒənɪk//

KK: /saɪəˈnɒdʒənɪk/

adjective

Definition: Relating to or producing cyanide, a toxic compound that can be harmful or lethal.

Example: Certain plants are cyanogenic, meaning they can produce cyanide when damaged.

cyanosed

IPA: //saɪəˈnoʊzd//

KK: /saɪəˈnoʊzd/

adjective

Definition: Having a bluish or purplish color, usually due to a lack of oxygen in the blood.

Example: The patient's lips were cyanosed, indicating a possible respiratory issue.

cyanosis

IPA: //saɪəˈnoʊsɪs//

KK: /saɪəˈnoʊsɪs/

noun

Definition: A condition where the skin and mucous membranes turn blue or purple because there is not enough oxygen in the blood.

Example: The doctor noted the patient's cyanosis and ordered further tests to check for respiratory issues.

cyanotic

IPA: //saɪəˈnɒtɪk//

KK: /saɪəˈnɑtɪk/

adjective

Definition: Having a bluish or purplish color, usually due to a lack of oxygen in the blood.

Example: The patient's lips were cyanotic, indicating a serious lack of oxygen.

cyber

IPA: /ˈsaɪbər/

KK: /ˈsaɪbər/

adjective

Definition: Related to computers, the Internet, or digital technology.

Example: The cyber world is constantly evolving with new technologies.

verb

Definition: To participate in sexual activities over the internet, often through chat or video.

Example: They decided to cyber while they were apart.

cyberbully

IPA: /ˈsaɪbərˌbʊli/

KK: /ˈsaɪbərˌbʊli/

noun

Definition: A person who uses the internet to harass or intimidate others, often through social media or messaging platforms.

Example: The school took action against the student for being a cyberbully.

verb

Definition: To harass or intimidate someone through digital means, such as social media or messaging apps.

Example: He decided to cyberbully his classmate by sending hurtful messages online.

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