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lumina

/ˈluːmɪnə/

Meanings
noun
In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.

Examples :

"The LED desk lamp produced 400 lumina, providing ample light for reading. "
physics energy unit science

Related Words

Illustration emitted

emitted verb

/ɪˈmɪtɪd/ /iˈmɪtɪd/

To send out or give off

"The campfire emitted a warm, orange glow. "

Illustration catheter

catheter noun

/ˈkæθɪtə(ɹ)/ /ˈkæθɪt̬ɚ/

A small tube inserted into a body cavity to administer a drug, create an opening, distend a passageway, or remove fluid.

"The nurse inserted a catheter to drain urine from the patient's bladder. "

Illustration providing

providing verb

/pɹəˈvaɪdɪŋ/

To make a living; earn money for necessities.

"It is difficult to provide for my family working on minimum wage."

Illustration reading

reading verb

/ˈɹidiŋ/

To look at and interpret letters or other information that is written.

"Have you read this book?"

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 luminous

luminous adjective

/ˈluːmɪnəs/

Emitting light; glowing brightly.

"The fireflies created a luminous glow in the backyard. "

Illustration produced

produced verb

/pɹəˈdjuːst/ /pɹəˈdust/

To yield, make or manufacture; to generate.

"The factory produced 1000 cars last week. "

Illustration inserting

inserting verb

/ɪnˈsɜːtɪŋ/ /ɪnˈsɝːɾɪŋ/

To put in between or into.

"In order to withdraw money from a cash machine, you have to insert your debit card."

Illustration steradian

steradian noun

/stəˈreɪdiən/

In the International System of Units, the derived unit of solid angle; the solid angle subtended at the centre of a sphere of radius r by a portion of the surface of the sphere that has area r2. Symbol: sr

"The lamp's reflector concentrates the light into a solid angle of approximately one steradian, providing focused illumination. "

Illustration derived

derived verb

/dɪˈɹaɪvd/

To obtain or receive (something) from something else.

"The student derived the answer to the math problem from the formula. "

Illustration international

international noun

/ˌɪntəˈnæʃ(ə)n(ə)l/ /ˌɪntɚˈnæʃ(ə)n(ə)l/

Someone who has represented their country in a particular sport.

"The United team includes five England internationals."

Illustration candela

candela noun

/kænˈdiːlə/ /kænˈdelə/

In the International System of Units, the base unit of luminous intensity; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. Symbol: cd

"The new LED bulb has a luminous intensity of 800 candela, making it very bright for reading. "