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Exam: Cambridge English: C1 Advanced (CAE)

lactam

IPA: /ˈlæktæm/

KK: /ˈlæktæm/

noun

Definition: A type of chemical compound that is a cyclic amide, related to lactones, and formed from amino acids when heated.

Example: Lactams are important in the development of certain antibiotics.

lactiferous

IPA: /lækˈtɪfərəs/

KK: /lækˈtɪfərəs/

adjective

Definition: Relating to the production or secretion of milk.

Example: The lactiferous ducts are essential for breastfeeding.

lactone

IPA: /ˈlæk.toʊn/

KK: /ˈlæktəʊn/

noun

Definition: A type of chemical compound that is a cyclic ester, created from hydroxy acids by removing a water molecule.

Example: Lactones are often used in the production of fragrances and flavorings.

lacuna

IPA: /ləˈkuːnə/

KK: /ləˈkuːnə/

noun

Definition: A gap or missing part in something, often referring to a lack of information or an empty space.

Example: The report had several lacunae that needed to be filled in before it could be published.

lacunar

IPA: /ləˈkjuːnər/

KK: /lɑːˈkjuːnər/

noun

Definition: A type of ceiling that has panels set into it, creating a decorative effect.

Example: The architect designed a beautiful lacunar ceiling for the grand hall.

lacunary

IPA: /ləˈkjuːnəri/

KK: /lækjʊˌnɛri/

adjective

Definition: Relating to a gap or missing part in something, often used in contexts like literature or knowledge.

Example: The report was criticized for its lacunary analysis, which left out important data.

lacustrine

IPA: /ləˈkʌstrɪn/

KK: /lɑːˈkʌstrɪn/

adjective

Definition: Relating to or found in lakes, often describing plants or animals that live in or near them.

Example: The lacustrine ecosystem is home to many unique species of fish and plants.

laggard

IPA: /ˈlæɡərd/

KK: /ˈlæɡərd/

adjective

Definition: Someone or something that is slow to keep up or falls behind others.

Example: The laggard student struggled to finish the assignment on time.

noun

Definition: A person or thing that falls behind others in progress or achievement.

Example: In the race, he was the laggard, finishing last while others crossed the finish line.

laggardly

IPA: /ˈlæɡərdli/

KK: /ˈlæɡərdli/

adjective

Definition: Describing someone or something that is slow or falls behind in progress or development.

Example: The laggardly response from the team delayed the project significantly.

adverb

Definition: In a slow or lazy manner, often indicating a lack of speed or enthusiasm.

Example: He completed the task laggardly, causing delays for the entire team.

lagomorph

IPA: /ˈlæɡəˌmɔrf/

KK: /ˈlæɡəˌmɔrf/

noun

Definition: A type of mammal that eats plants and has two pairs of upper front teeth, including animals like rabbits, hares, and pikas.

Example: The lagomorphs are known for their strong teeth, which help them eat tough plant material.

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