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Exam: Cambridge English: C1 Advanced (CAE)

spermatozoid

IPA: //ˌspɜːrmətəˈzoʊɪd//

KK: /spɜrˌmætəˈzoʊɪd/

noun

Definition: A type of male reproductive cell that is capable of movement, typically found in plants and produced in a specific structure called an antheridium.

Example: The spermatozoid swims towards the egg cell to fertilize it.

spermatozoon

IPA: //spɜːrməˈtoʊzuːən//

KK: /spɜrˌmætəˈzoʊən/

noun

Definition: A mature male reproductive cell that can fertilize an egg, typically having a head, a neck, and a long tail for movement.

Example: The spermatozoon swims through the female reproductive tract to reach the egg for fertilization.

spermine

IPA: /ˈspɜːrmiːn/

KK: /ˈspɜrmiːn/

noun

Definition: A type of organic compound that is a polyamine, commonly found in living tissues and involved in cellular functions.

Example: Spermine is important for cellular growth and stability.

spermiogenesis

IPA: /ˌspɜːrmiəʊˈdʒɛnɪsɪs/

KK: /spɜrmiəʊˈdʒɛnɪsɪs/

noun

Definition: The process by which sperm cells are formed from precursor cells in the male reproductive system.

Example: Spermiogenesis is a crucial step in the development of male gametes.

sphenoid

IPA: /ˈsfɛ.nɔɪd/

KK: /ˈsfɛnɔɪd/

adjective

Definition: Relating to a specific bone in the skull that is shaped like a wedge.

Example: The sphenoid bone is located at the base of the skull and helps form the eye socket.

noun

Definition: A bone located at the base of the skull that helps form the eye socket and supports the structure of the face.

Example: The sphenoid bone is crucial for the stability of the skull.

sphenoidal

IPA: /sfɪˈnɔɪdəl/

KK: /sfen-oid-əl/

adjective

Definition: Having a shape that resembles a wedge, often used in anatomical contexts to describe certain bones or structures in the body.

Example: The sphenoidal bone is located at the base of the skull and is shaped like a wedge.

sphericity

IPA: /sˈfɪrɪsɪti/

KK: /sferˈɪsɪti/

noun

Definition: The quality or state of being shaped like a sphere.

Example: The sphericity of the planet affects its gravitational pull.

spherics

IPA: //ˈsfɛrɪks//

KK: /sfer-iks/

noun

Definition: The study of shapes and figures that are spherical in nature, often involving geometry and trigonometry related to spheres.

Example: In advanced mathematics, spherics is essential for understanding the properties of spherical shapes.

spheroid

IPA: /sˈfɪərɔɪd/

KK: /s'fir'oid/

noun

Definition: An object that is shaped like a sphere but is not perfectly round, often resembling an ellipsoid.

Example: The planet Earth is often described as a spheroid due to its slightly flattened shape at the poles.

spheroidal

IPA: /sɪˈfɔɪrdəl/

KK: /sfiˈrɔɪdəl/

adjective

Definition: Having a shape that is similar to a sphere, being roughly round or ball-like.

Example: The planet has a spheroidal shape, making it appear almost like a perfect ball in space.

noun

Definition: A shape that is similar to a sphere but not perfectly round, often used to describe objects that are slightly flattened or elongated.

Example: The planet is not a perfect sphere; it has a spheroidal shape due to its rotation.

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