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ommatidium

/ɑməˈtɪdɪəm/ /ɒməˈtɪdɪəm/

Meanings
noun
One of the conical substructures which make up the eyes of invertebrates with compound eyes.

Examples :

"A fly's compound eye is made up of many individual units, each called an ommatidium, that work together to see the world. "
organ animal insect biology anatomy part

Related Words

Illustration compound

compound noun

/ˈkɒmpaʊnd/ /ˈkɑmpaʊnd/ /kəmˈpaʊnd/

An enclosure within which workers, prisoners, or soldiers are confined

"The prisoners were kept in a secure compound. "

Illustration units

units noun

/ˈjuːnɪts/ /ˈjuːnɪts/

A particular, minute unit of mass, defined differently for different substances, but so that varying substances of the same general type have the property that one international unit of the one has the same effect on the human body as one international unit of the other.

"The doctor prescribed 5000 units of vitamin D to help improve my bone health. "

Illustration individual

individual noun

/ˌɘndɘˈvɘd͡ʒɘl/ /ˌɪndəˈ-/

A person considered alone, rather than as belonging to a group of people.

"He is an unusual individual."

Illustration world

world noun

/wɝld/ /wɵːld/ /wɜːld/

(with "the") Human collective existence; existence in general.

"There will always be lovers, till the world’s end."

Illustration invertebrates

invertebrates noun

/ɪnˈvɜːrtɪbrəts/ /ɪnˈvɜːrtɪbreɪts/

An animal without vertebrae, i.e. backbone.

"Many students learn about invertebrates, like insects and worms, in biology class because they are animals without a backbone. "

Illustration make

make noun

/meɪk/

Brand or kind; model.

"What make of car do you drive?"

Illustration conical

conical noun

/ˈkɒnɪkəl/ /ˈkɑnɪkəl/

A bullet with a conical shape.

"The marksman carefully loaded the conical into his rifle. "

Illustration which

which pronoun

/wɪt͡ʃ/

(interrogative) What one or ones (of those mentioned or implied).

"By now, you must surely know which is which."

Illustration together

together adjective

/təˈɡɛð.ə(ɹ)/ /təˈɡɛðɚ/

Coherent; well organized.

"The teacher's lesson plan was together, covering all the key concepts logically. "

Illustration called

called verb

[kɔld]

(heading) To use one's voice.

"The teacher called out my name during attendance. "

Illustration substructures

substructures noun

/sʌbˈstɹʌkt͡ʃərz/

The supporting part of a structure (either physical or organizational; the foundation).

"The school's substructures, including the foundation and supporting walls, were reinforced during the summer renovation. "

Illustration eyes

eyes noun

/aɪz/

An organ through which animals see (perceive surroundings via light).

"Bright lights really hurt my eyes."