What is the simple definition of periscope?

Definition of periscope

: a tubular optical instrument containing lenses and mirrors by which an observer obtains an otherwise obstructed field of view.

What is an example of a periscope?

The definition of a periscope is a set of lenses, mirrors or prisms on a tube allowing the viewer to see objected reflected on the other end. An example of a periscope is the viewing tool used on a submarine.

What is the meaning of Peri in the word periscope?

prefix. Definition of peri- (Entry 2 of 2) 1 : all around : about periscope. 2 : near perihelion. 3 : enclosing : surrounding perineurium.

What is another name for periscope?

Periscope Synonyms – WordHippo Thesaurus.
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What is another word for periscope?
finder bombsight
viewfinder homing device
telescopic sight

How far can a periscope see?

At sea this is around 11 to 12 miles. If a target is near the horizon then you may be able to see masts or superstructure through the periscope. Modern submarines do not use traditional optical periscopes but optronic masts that employ a range of sensors including a camera and infra red sensor.

How do we use periscope?

What is the opposite of a periscope?

We have listed all the opposite words for periscope alphabetically. loser. also-ran. deadbeat. defeated.

What is another name for purgatory?

In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for purgatory, like: hell-on-earth, misery, limbo, torture, purgation, eternity, place of the deceased, suffering, penance, hereafter and hell.

What is senile topography?

(of topographical features) having been reduced by erosion to a featureless plain that stands everywhere at base level.

What part of speech is recumbent?

recumbent adjective (LYING DOWN)

lying down or leaning back so you are almost lying down: She looked at Timothy’s recumbent form beside her.

When was the periscope invented?

1902
In 1854, Hippolyte Marié-Davy invented the first naval periscope, consisting of a vertical tube with two small mirrors fixed at each end at 45°. Simon Lake used periscopes in his submarines in 1902. Sir Howard Grubb perfected the device in World War I.

What are antonyms for purgatory?

Opposite of any situation where suffering is endured, particularly as part of a process of redemption. bliss. paradise. heaven. sky.

What is a pugnacious person?

Definition of pugnacious

: having a quarrelsome or combative nature : truculent.

What word could take the place of mottled?

Mottled Synonyms – WordHippo Thesaurus.
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What is another word for mottled?
spotted dappled
pied freckled
piebald motley
spotty dapple
streaked marbled

Why do recumbent bikes exist?

A recumbent bike allows you to exercise your thighs, calves, and glute muscles with less strain. It has a wider and lower seat than an upright bike. Additionally, recumbent bikes put less strain on your joints, which is ideal for those with arthritis, and are much easier to balance on and sit comfortably.

What does a Skinner mean?

noun. a person or thing that skins. a person who prepares or deals in skins or hides. a person who drives draft animals, as mules or oxen.

What is a pugilistic person?

: fighter especially : a professional boxer.

What do you call a person who is very argumentative?

There are a plethora of words used to describe someone who is quick to oppose/argue/fight the opinions of others, such as: argumentative, combative, hostile, antagonistic, volatile, pugnacious, bellicose, ornery, confrontational, quarrelsome, contentious, etc.

What does Jol mean in Afrikaans?

have fun
Jol [jawl] is a widely-used term for ‘club‘, ‘party’ or to ‘have fun’. Eg. ‘We had a jol last night!

What is Skinner’s theory?

The theory of B.F. Skinner is based upon the idea that learning is a function of change in overt behavior. Changes in behavior are the result of an individual’s response to events (stimuli) that occur in the environment. … Reinforcement is the key element in Skinner’s S-R theory.

What does tart mean in English?

1 : agreeably sharp or acid to the taste a tart apple. 2 : marked by a biting, acrimonious, or cutting quality a tart rejoinder. tart. noun.

Is bliksem a swear word?

bliksem – strike, hit, punch; also used as an expression of surprise/emphasis (rude; many consider the word a profanity). It derives from the Dutch word for “lightning”, and often occurs in conjunction with donner. Used as a curse in Afrikaans: Jou bliksem!

What does BVM mean in South Africa?

“Blessed Virgin Mary” is the most common definition for BVM on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok. BVM.