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Exam: IELTS

helpless

IPA: /ˈhɛlpləs/

KK: /ˈhɛlpləs/

adjective

Definition: Not able to do anything to help oneself; feeling powerless or without support.

Example: After the accident, she felt helpless and didn't know what to do next.

helplessly

IPA: /ˈhɛlplɪsli/

KK: /ˈhɛlplɪsli/

adverb

Definition: In a way that shows a lack of ability to help or control a situation.

Example: She looked at him helplessly, unsure of what to do next.

helplessness

IPA: /ˈhɛlpləsnəs/

KK: /ˈhɛlpləsnəs/

noun

Definition: A state where a person feels unable to help themselves or take action, often leading to feelings of powerlessness.

Example: After losing her job, she felt a deep sense of helplessness about her future.

helpline

IPA: /ˈhɛlˌplaɪn/

KK: /ˈhɛlˌplaɪn/

noun

Definition: A service that provides assistance or support to people who call, often by phone, for help with problems or questions.

Example: If you are feeling overwhelmed, you can call the helpline for support.

hemacytometer

IPA: /ˌhɛm.əˈsaɪ.təˌmiː.tər/

KK: /hɛməˈsaɪtəˌmɪtər/

noun

Definition: A device used to count the number of blood cells in a specific volume of blood.

Example: The researcher used a hemacytometer to determine the concentration of red blood cells in the sample.

hemagglutinin

IPA: /hɪˈmæɡ.luː.tɪ.nɪn/

KK: /hɛˈmæɡlʊtɪnɪn/

noun

Definition: A substance that causes red blood cells to clump together, often found in antibodies or certain viruses.

Example: The hemagglutinin in the virus helps it to attach to and infect host cells.

hemangioma

IPA: /hɪˈmændʒiˌoʊmə/

KK: /hɛˈmændʒiˌoʊmə/

noun

Definition: A non-cancerous growth on the skin made up of a mass of blood vessels, often appearing as a raised, reddish or purplish area.

Example: The doctor diagnosed the child with a hemangioma on her forehead.

hematic

IPA: /hɪˈmætɪk/

KK: /hɪˈmætɪk/

adjective

Definition: This word describes something that is related to blood or has characteristics similar to blood.

Example: The doctor explained that the hematic properties of the substance were crucial for the treatment.

noun

Definition: A substance that helps to increase the amount of blood or improve its quality.

Example: Iron is often used as a hematic to treat anemia.

hematics

IPA: /hɪˈmætɪks/

KK: /həˈmætɪks/

noun

Definition: A field of study in medicine and physiology that focuses on blood and its components, including its functions and diseases.

Example: The doctor specialized in hematics to better understand blood disorders.

hematin

IPA: /ˈhɛm.ə.tɪn/

KK: /ˈhɛmətɪn/

noun

Definition: A dark compound formed from the breakdown of hemoglobin, containing iron and nitrogen, often found in blood.

Example: Hematin is used in various biochemical studies to understand blood composition.

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