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reticle

/ˈɹɛtɪkəl/

Meanings
noun
A grid, network, or crosshatch found in the eyepiece of various optical instruments to aid measurement or alignment

Examples :

"The scientist used the reticle in the microscope's eyepiece to precisely measure the size of the cells. "
technology device machine science technical

Related Words

Illustration eyepiece

eyepiece noun

/ˈaɪˌpis/

The lens (or combination of lenses) at the eye end of a microscope or telescope by which the image is viewed.

"The student adjusted the eyepiece of the microscope to get a clearer view of the cells. "

Illustration microscope

microscope noun

/ˈmaɪkɹəˌskəʊp/ /ˈmaɪkɹəˌskoʊp/

An optical instrument used for observing small objects.

"The student used a microscope to see the tiny cells in the plant leaf. "

Illustration instrument

instrument noun

/ˈɪnstɹəmənt/

A device used to produce music.

"The violinist was a master of her instrument."

Illustration marksman

marksman noun

/ˈmɑɹksmən/

A man or person skilled at hitting targets, as with a firearm, bow, or thrown object.

"The marksman easily hit the bullseye on the target. "

Illustration handkerchief

handkerchief noun

/ˈhæŋkətʃiːf/ /ˈhæŋkɚtʃɪf/

A piece of cloth, usually square and often fine and elegant, carried for wiping the face, eyes, nose or hands.

"During the presentation, Sarah discreetly used her handkerchief to wipe away a tear. "

Illustration precisely

precisely adverb

/pɹɪˈsaɪsli/

(manner) In a precise manner; exactly.

"I always try to express myself precisely."

Illustration crosshatch

crosshatch noun

/ˈkrɔːshætʃ/ /ˈkrɑːshætʃ/

A pattern of crossing lines.

"The artist used crosshatch in the drawing to create shadows and depth. "

Illustration measurement

measurement noun

/ˈmeʒ.ə.mənt/ /ˈmeʒ.ɚ.mənt/

The act of measuring.

"The measurement of the room's length was important for ordering new furniture. "

Illustration alignment

alignment noun

[əˈɫaɪnmənt]

An arrangement of items in a line.

"The alignment of the students' desks in the classroom made it easier for the teacher to circulate. "

Illustration telescope

telescope noun

/ˈtɛlɪskəʊp/ /ˈtɛləˌskoʊp/

A monocular optical instrument that magnifies distant objects, especially in astronomy.

"Using the telescope, the student was able to observe the craters on the moon clearly. "

Illustration instruments

instruments noun

/ˈɪnstɹəmənts/

A device used to produce music.

"The violinist was a master of her instrument."

Illustration scientist

scientist noun

/ˈsaɪ.ən.tɪst/

One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research, or make use of the results of the research of others.

"The scientist studied the effects of different types of soil on plant growth. "