What do u mean by reefs?
A reef is a ridge or shoal of rock, coral or similar relatively stable material, lying beneath the surface of a natural body of water Many reefs result from natural, abiotic processes—deposition of sand, wave erosion planing down rock outcrops, etc
What type of word is reef?
reef used as a noun: A chain or range of rocks lying at or near the surface of the water
What is an example of a reef?
An example of a reef is the Great Barrier Reef which was formed when the sea levels rose, flooding the continental shelf of Australia, allowing the coral that were growing on the edges of the shelf to grow and begin form the reef A line or ridge of rock, coral, or sand lying at or near the surface of the water
What does reef Point mean?
: one of the pieces of small rope passing through the eyelet holes of a reef band and used in reefing the sail — called also point
What is a reef in the ocean?
A reef is a ridge of material at or near the surface of the ocean Reefs can occur naturally Natural reefs are made of rocks or the skeletons of small animals called corals Reefs can also be artificial—created by human beings
What do coral reefs mean?
A coral reef is an underwater ecosystem characterized by reef-building corals Reefs are formed of colonies of coral polyps held together by calcium carbonate Sometimes called rainforests of the sea, shallow coral reefs form some of Earth’s most diverse ecosystems
What does reef mean in sailing?
Reefing is the means of reducing the area of a sail, usually by folding or rolling one edge of the canvas in on itself The converse operation, removing the reef, is called “shaking it out” Reefing allows the carrying of partial sail in strong winds, and is the primary safety precaution in rough weather
Does reef mean pull?
to pull (old oakum) out of seams, as with a rave hook (often followed by out)
What is a sentence for reef?
Reef sentence example A coral reef lies across the entrance The channel between the reef and the coast is in places 70 m
What is a living reef?
The Living Reef is a free form coral lagoon that wraps 200m around the central building on Daydream Island and is home to over 100 species of local marine life including fish, small sharks, rays and other reef dwelling creatures
What are the 3 types of reefs?
The three main types of coral reefs are fringing, barrier, and atoll Schools of colorful pennantfish, pyramid, and milletseed butterflyfish live on an atoll reef in the Northwestern Hawaiian Islands The most common type of reef is the fringing reef This type of reef grows seaward directly from the shore
Which place is known for corals in India?
The major reef formations in India are restricted to the Gulf of Mannar, Palk bay, Gulf of Kutch, Andaman and Nicobar Islands and the Lakshadweep islands While the Lakshadweep reefs are atolls, the others are all fringing reefs Patchy coral is present in the inter-tidal areas of the central west coast of the country
What does close Reef mean?
(Entry 1 of 2) : the last ordinary reef that can be put in a sail — compare balance reef close-reef
What does Hove mean?
Definition of hove to : in a stationary position with head to wind : at a standstill ore freighters hove to in the fog— Richard Bissell lying hove to on the fishing bank
What is a coral reef for kids?
A coral reef is made up of thousands of tiny animals called coral polyps These tiny animal polyps and algae have grown together to create a large structure called a coral reef This coral reef is home for thousands of species of plants and animals
Why is the coral reef important?
Coral reefs protect coastlines from storms and erosion, provide jobs for local communities, and offer opportunities for recreation They are also are a source of food and new medicines Over half a billion people depend on reefs for food, income, and protection
Is a reef living?
The Coral Reef: A Living Wonder Although most people know that coral reefs are found throughout the world in tropical oceans, many do not realize that these reefs are actually living animal colonies, and that they are very important in the tropical ocean ecosystem
What is a coral reef simple?
A coral reef is a large underwater structure made of dead and living corals In most healthy reefs, stony corals are predominant They are built from colonial polyps from the phylum Cnidaria which secrete an exoskeleton of calcium carbonate The reef acts as the home of many tropical fish and other animals
What is another name for coral reef?
coral reef atoll, barrier reef, cay, key
What is the difference between coral and coral reef?
What is the difference between Coral and Reef? Coral is a live animal while reef is a physical structure Reef is the habitat of the corals, which has been created through the secretions of coral polyps over many generations
When should you Reef?
When to reef? Most boats are designed to require the first reef in around 18 knots apparent wind when sailing to windward Some lighter, more coastal-orientated boats may struggle in 15 knots while heavier offshore designs will still be happy at 20 knots or more
What is a Cunningham on a sailboat?
The cunningham controls the fore and aft position of draft in the mainsail or genoa and works together with the traveler, mainsheet, outhaul and vang to optimize sail shape and increase boatspeed Cunningham controls lead to the crew to encourage adjustment as wind speed changes
How do you reef a sailboat?
Here are the basic steps to reef your mainsail: Assume a close-hauled or close reaching course Set the autopilot to maintain your course under jib alone, or heave-to Release the mainsheet and vang Lower the main halyard Secure the reef tack Re-tension the halyard Tension the reef line
Is Reef a proper noun?
5 ENTRIES FOUND: reef (noun) coral reef (noun) Great Barrier Reef (proper noun)