The difference between Lead and Leader

Lead as a noun (uncountable):

A heavy, pliable, inelastic metal element, having a bright, bluish color, but easily tarnished; both malleable and ductile, though with little tenacity. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic number 82, symbol Pb (from Latin plumbum).

Lead as a noun (countable):

A plummet or mass of lead attached to a line, used in sounding depth at sea or to estimate velocity in knots.

Lead as a noun:

A thin strip of type metal, used to separate lines of type in printing.

Lead as a noun (uncountable, typography):

Vertical space in advance of a row or between rows of text. Also known as leading.

Lead as a noun:

Sheets or plates of lead used as a covering for roofs.

Lead as a noun (plural '''leads'''):

A roof covered with lead sheets or terne plates.

Lead as a noun (countable):

A thin cylinder of black lead or plumbago (graphite) used in pencils.

Lead as a noun (slang):

Bullets; ammunition.

Lead as a verb (transitive):

To cover, fill, or affect with lead

Lead as a verb (transitive, printing, historical):

To place leads between the lines of.

Lead as a verb (transitive):

To guide or conduct. To guide or conduct with the hand, or by means of some physical contact connection. To guide or conduct in a certain course, or to a certain place or end, by making the way known; to show the way, especially by going with or going in advance of, to lead a pupil; to guide somebody somewhere or to bring somebody somewhere by means of instructions. : To direct; to counsel; to instruct To conduct or direct with authority; to have direction or charge of; to command, especially a military or business unit. To guide or conduct oneself in, through, or along (a certain course); hence, to proceed in the way of; to follow the path or course of; to pass; to spend. Also, to cause (one) to proceed or follow in (a certain course).

Lead as a verb (intransitive):

To guide or conduct, as by accompanying, going before, showing, influencing, directing with authority, etc.; to have precedence or preeminence; to be first or chief; — used in most of the senses of the transitive verb.

Lead as a verb:

To begin, to be ahead. To go or to be in advance of; to precede; hence, to be foremost or chief among. To lead off or out, to go first; to begin. To be more advanced in technology or business than others. # To begin a game, round, or trick, with # To be ahead of others, e.g., in a race. # To have the highest interim score in a game. # To step off base and move towards the next base. # To aim in front of a moving target, in order that the shot may hit the target as it passes. # Lead climb.

Lead as a verb (transitive):

To draw or direct by influence, whether good or bad; to prevail on; to induce; to entice; to allure

Lead as a verb (intransitive):

To tend or reach in a certain direction, or to a certain place.

Lead as a verb:

To produce (with to).

Lead as a verb:

Lead as a noun (uncountable):

The act of leading or conducting; guidance; direction, course

Lead as a noun (uncountable):

Precedence; advance position; also, the measure of precedence; the state of being ahead in a race; the highest score in a game in an incomplete game.

Lead as a noun (UK, countable):

An insulated metallic wire for electrical devices and equipment.

Lead as a noun (baseball):

The situation where a runner steps away from a base while waiting for the pitch to be thrown.

Lead as a noun (uncountable, card games, dominoes):

The act or right of playing first in a game or round; the card suit, or piece, so played

Lead as a noun (acting):

The main role in a play or film; the lead role.

Lead as a noun (acting):

The actor who plays the main role; lead actor.

Lead as a noun (countable):

A channel of open water in an ice field.

Lead as a noun (countable, mining):

A lode.

Lead as a noun (nautical):

The course of a rope from end to end.

Lead as a noun:

A rope, leather strap, or similar device with which to lead an animal; a leash

Lead as a noun:

In a steam engine, the width of port opening which is uncovered by the valve, for the admission or release of steam, at the instant when the piston is at end of its stroke.

Lead as a noun:

Charging lead.

Lead as a noun (civil engineering):

The distance of haul, as from a cutting to an embankment.

Lead as a noun (horology):

The action of a tooth, such as a tooth of a wheel, in impelling another tooth or a pallet.

Lead as a noun:

Hypothesis that has not been pursued

Lead as a noun:

Information obtained by a detective or police officer that allows him or her to discover further details about a crime or incident.

Lead as a noun (marketing):

Potential opportunity for a sale or transaction, a potential customer.

Lead as a noun:

Information obtained by a news reporter about an issue or subject that allows him or her to discover more details.

Lead as a noun (curling):

The player who throws the first two rocks for a team.

Lead as a noun (newspapers):

A teaser; a lead-in; the start of a newspaper column, telling who, what, when, where, why and how. (Sometimes spelled as lede for this usage to avoid ambiguity.)

Lead as a noun:

An important news story that appears on the front page of a newspaper or at the beginning of a news broadcast

Lead as a noun (engineering):

The axial distance a screw thread travels in one revolution. It is equal to the pitch times the number of starts.

Lead as a noun (music):

In a barbershop quartet, the person who sings the melody, usually the second tenor

Lead as a noun (music):

The announcement by one voice part of a theme to be repeated by the other parts.

Lead as a noun (music):

A mark or a short passage in one voice part, as of a canon, serving as a cue for the entrance of others.

Lead as a noun (engineering):

The excess above a right angle in the angle between two consecutive cranks, as of a compound engine, on the same shaft.

Lead as a noun (electrical):

The angle between the line joining the brushes of a continuous-current dynamo and the diameter symmetrical between the poles.

Lead as a noun (electrical):

The advance of the current phase in an alternating circuit beyond that of the electromotive force producing it.

Lead as an adjective (not comparable):

Foremost.

Lead as an adjective (music):

main, principal

Lead as a verb:

Leader as a noun (music):

any person that leads or directs one who goes first one having authority to direct one who leads a political party or group of elected party members; sometimes used in titles a person or organization that leads in a certain field in terms of excellence, success, etc. a performer who leads a band, choir, or a section of an orchestra the first violin in a symphony orchestra; the concertmaster

Leader as a noun:

an animal that leads the dominant animal in a pack of animals, such as wolves or lions an animal placed in advance of others, especially on a team of horse, oxen, or dogs

Leader as a noun (botany):

someone or something that leads or conducts a fast-growing terminal shoot of a woody plant a pipe for conducting rain water from a roof to a cistern or to the ground the first, or the principal, editorial article in a newspaper; a leading or main editorial article; a lead story a section of line between the main fishing line and the snell of a hook, intended to be more resistant to bites and harder for a fish to detect than the main fishing line a piece of material at the beginning or end of a reel or roll to allow the material to be threaded or fed onto something, as a reel of film onto a projector or a roll of paper onto a rotary printing press a loss leader or a popular product sold at a normal price a type having a dot or short row of dots upon its face a row of dots, periods, or hyphens, used in tables of contents, etc., to lead the eye across a space to the right word or number a net for leading fish into a pound, weir, etc. a branch or small vein, not important in itself, but indicating the proximity of a better one a block of hard wood pierced with suitable holes for leading ropes in their proper places the drive wheel in any kind of machinery the path taken by electrons from a cloud to ground level, determining the shape of a bolt of lightning