Lead - Synonyms for lead at Thesaurus.com with free online thesaurus, antonyms, and definitions. Find descriptive alternatives for lead.. Lead is a naturally occurring toxic metal found in the Earth’s crust. Its widespread use has resulted in extensive environmental contamination, human exposure and significant public health problems in many parts of the world.. Definition of lead - cause (a person or animal) to go with one by holding them by the hand, a halter, a rope, etc. while moving forward, be a route or.

lead (lēd) any of the conductors connected to the electrocardiograph, each comprising two or more electrodes that are attached at specific body sites and used to examine electrical activity by monitoring changes in the electrical potential between them.. The past tense of the verb lead is led, not lead.One reason for the confusion might be that a similar verb, read, has an infinitive that’s spelled the same as the past tense.But with lead, that’s not how things are. Definition of Led. Led is the past tense of the verb lead:. guide, lead, steer, pilot, engineer mean to direct in a course or show the way to be followed. guide implies intimate knowledge of the way and of all its difficulties and dangers. guided the scouts through the cave; lead implies showing the way and often keeping those that follow under control and in order. led his team to victory; steer implies an ability to keep to a course and stresses.

Lead is a very corrosion-resistant, dense, ductile, and malleable blue-gray metal that has been used for at least 5,000 years. Early uses of lead included building materials, pigments for glazing ceramics, and pipes for transporting water.. Jun 30, 2014  · Lead is a naturally occurring metal found deep within the ground. It occurs in small amounts in ore, along with other elements such as silver, zinc or copper. Even though it's found in small amounts, there is an abundant supply of lead throughout the earth. | Learn about lead and the research NIEHS is conducting on lead exposure. Geography. Lead is located at (44.350967, -103.765784. According to the United States Census Bureau, the city has a total area of 2.06 square miles (5.34 km 2), all of it land. Lead has been assigned the ZIP code 57754 and the FIPS place code 36220. Lead's proximity to Deadwood, South Dakota, often leads to the two cities being collectively named "Lead-Deadwood"..

Causes. Lead is a metal that occurs naturally in the earth's crust, but human activity — mining, burning fossil fuels and manufacturing — has caused it to become more widespread.. Lead is a highly toxic metal and a very strong poison. Lead poisoning is a serious and sometimes fatal condition. It occurs when lead builds up in the body. Lead is found in lead-based paints. Lead: Lead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and believed by the alchemists to be the oldest of metals, lead is highly durable and resistant to corrosion..

Lead What is lead? Lead is a naturally occurring bluish-gray metal found in small amounts in the earth's crust. Lead can also be found in plants, animals, air, water, dust, and soil.. Lead Tourism: TripAdvisor has 4,230 reviews of Lead Hotels, Attractions, and Restaurants making it your best Lead resource..