Umbra

Pronunciation: /ˈʌmbrə/

Definitions of umbra

noun a phantom or shadowy apparition

Example Sentences

A1 The umbra of the tree provided shade on a hot day.

A2 She sat in the umbra of the building to escape the sun.

B1 The photographer captured the umbra of the eclipse with precision.

B2 The scientist studied the umbra of the moon during the lunar eclipse.

C1 The artist used the concept of umbra and penumbra in his painting to create depth and shadow.

C2 The astronomer's research focused on the umbra of celestial bodies and their impact on space exploration.

Examples of umbra in a Sentence

formal The scientist studied the umbra of the eclipse to understand its effects on the atmosphere.

informal I stood in the umbra of the tree to escape the hot sun.

slang Let's chill in the umbra of that building to avoid the rain.

figurative Her anger cast an umbra over the entire room, making everyone uncomfortable.

Grammatical Forms of umbra

• past tense: umbrated
• plural: umbrae
• comparative: more umbra
• superlative: most umbra
• present tense: umbra
• future tense: will umbra
• perfect tense: have umbraed
• continuous tense: is umbraing
• singular: umbra
• positive degree: umbra
• infinitive: to umbra
• gerund: umbrating
• participle: umbrated

Origin and Evolution of umbra

First Known Use: 1250 year

Language of Origin: Latin

Story behind the word: The word 'umbra' originates from Latin, where it means 'shadow'.

Evolution of the word: Over time, the word 'umbra' has retained its original meaning of 'shadow' in various contexts, including astronomy where it refers to the fully shaded inner region of a shadow cast by an opaque object.