- What is the base word of submarine?
- What is the use of a submarine?
- What is the difference between a blimp and a dirigible?
- Why are blimps no longer used?
- Why is an undercurrent dangerous?
- What is the definition of honorable?
- Why is it called a submarine?
- What is another name for a submarine?
- Why are zeppelins not used anymore?
- What does undercurrent mean?
- What is another name for a dirigible?
- What is the scientific name for outer space?
What is the base word of submarine?
Origin of the word The word submarine is composed of two morphemes, sub and marine.
Sub is a prefix of Latin origin that means ‘below’ or ‘under’, while marine originates from the Latin ‘marinus’ meaning ‘belonging or related to the sea’.
The first recorded use of submarine is from 1648..
What is the use of a submarine?
They provide intelligence and underwater protection for surface ships, and are able to detect and lay mines more efficiently than any other navy vessel. Submarines provide a means to land special forces in hostile regions and, if fitted with suitable weapons, are able to strike land targets.
What is the difference between a blimp and a dirigible?
Dirigibles, Zeppelins, and Blimps: What’s the Difference? According to Airships.com: A dirigible is any lighter-than-air craft that is both powered and steerable (as opposed to free floating, like a balloon). … A blimp has no rigid internal structure; if a blimp deflates, it loses its shape.
Why are blimps no longer used?
The main reason you never see airships in the sky anymore is because of the huge costs it takes to build and run them. They’re very expensive to build and very expensive to fly. … According to the Federal Aviation Administration, only 128 people in the United States are qualified to fly airships.
Why is an undercurrent dangerous?
Dangers of Undercurrents If you encounter a strong undercurrent, struggling against the current can lead to exhaustion that prevents you from making it back to shore. Being swept up in an undercurrent can result in injuries as a result of rocks and other hazards that the current might flow past.
What is the definition of honorable?
1 : deserving of respect or high regard : deserving of honor an honorable profession.
Why is it called a submarine?
The word derives from Latin. “Sub” meaning below or beneath and “Mare” (pronounced “mahray”) meaning the ocean. … A submarine is therefore an object that goes under the sea, and in practical terms since objects that go to sea at all are boats, a submarine is a boat that goes under the sea.
What is another name for a submarine?
In this page you can discover 38 synonyms, antonyms, idiomatic expressions, and related words for submarine, like: sub, torpedo, warship, underseas boat, hero, grinder, hoagie, poor-boy, cuban-sandwich, italian-sandwich and italian.
Why are zeppelins not used anymore?
Because there is no market for it. Zeppelins existed when ocean liners were the primary means of trans-Atlantic crossing. They offered a speed advantage over ocean liners but can’t compete with modern jet airliners. They’re also very expensive and risky to operate.
What does undercurrent mean?
1 : a current below the upper currents or surface. 2 : a hidden opinion, feeling, or tendency often contrary to the one publicly shown.
What is another name for a dirigible?
“Airship” and “dirigible” are synonyms; a dirigible is any lighter-than-air craft that is powered and steerable, as opposed to free floating like a balloon. The word “dirigible” is often associated with rigid airships but the term does not come from the word “rigid” but from the French verb diriger (“to steer” ).
What is the scientific name for outer space?
metagalactic space. ocean of emptiness. outer space. region beyond Earth’s solar system.