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Exam: Cambridge English: C1 Advanced (CAE)

luciferin

IPA: /luˈsɪfərɪn/

KK: /luˈsɪfərɪn/

noun

Definition: A chemical compound found in certain living organisms that emits light when it reacts with oxygen.

Example: Fireflies use luciferin to create their beautiful glow during the night.

lucrativeness

IPA: /ˈluːkrətɪvnəs/

KK: /ˈlukrəˌtɪv/

noun

Definition: The quality or state of being profitable or producing a lot of money.

Example: The lucrativeness of the investment attracted many investors.

luculent

IPA: /ˈluːkjʊlənt/

KK: /ˈluːkjʊlənt/

adjective

Definition: Easily understood or clear in thought and expression.

Example: The teacher's explanation was so luculent that all the students understood the complex topic.

ludic

IPA: /ˈluːdɪk/

KK: /ˈluːdɪk/

adjective

Definition: Relating to play or playful behavior, often characterized by spontaneity and a lack of seriousness.

Example: The children's ludic approach to learning made the classroom a fun and engaging place.

ludicrousness

IPA: /ˈluːdɪkrəsnəs/

KK: /ˈluːdɪkrəsnəs/

noun

Definition: The quality of being ridiculous or absurd, often in a way that is amusing.

Example: The ludicrousness of the situation made everyone laugh.

lugubrious

IPA: //luˈɡuːbriəs//

KK: /luˈɡubriəs/

adjective

Definition: Feeling or looking very sad and gloomy, often in a way that seems exaggerated or silly.

Example: The lugubrious music set a somber tone for the film.

lugubriously

IPA: /luˈɡuːbrɪəsli/

KK: /luˈɡubriəsli/

adverb

Definition: In a way that is sad, mournful, or gloomy, often in an exaggerated or theatrical manner.

Example: He spoke lugubriously about the loss of his favorite team in the championship.

luminal

IPA: /ˈluːmɪnəl/

KK: /ˈluːmɪnəl/

adjective

Definition: Relating to the inner open space of a tubular structure, such as a blood vessel or a part of the body.

Example: The doctor explained how the luminal area of the artery can become narrowed due to plaque buildup.

noun

Definition: A type of medication used to calm or sedate a person, often used in medical settings.

Example: The doctor prescribed a luminal to help the patient relax before the procedure.

luminance

IPA: /ˈluːmɪnəns/

KK: /ˈluːmɪnəns/

noun

Definition: The brightness or amount of light that comes from a surface or source.

Example: The luminance of the screen was adjusted to reduce glare.

luminary

IPA: /ˈluːməˌnɛri/

KK: /ˈluməˌnerē/

noun

Definition: A person who is well-known and respected in a particular area, often inspiring others with their achievements.

Example: She is considered a luminary in the field of science, inspiring many young researchers.

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