Mer or MER may refer to:

Business

* Management

expense ratio The expense ratio of a stock or asset fund is the total percentage of fund assets used for administrative, management, advertising (12b-1), and all other expenses. An expense ratio of 1% per annum means that each year 1% of the fund's total assets ...

* Market

exchange rate In finance, an exchange rate is the rate at which one currency will be exchanged for another currency. Currencies are most commonly national currencies, but may be sub-national as in the case of Hong Kong or supra-national as in the case of ...

Merrill Lynch Merrill Lynch, Pierce, Fenner & Smith Incorporated, doing business as Merrill, and previously branded Merrill Lynch, is an American investment management and wealth management division of Bank of America. Along with BofA Securities, the investm ...

's former NYSE stock symbol

People

Francis Mer Francis Mer (25 May 1939 – 1 November 2023) was a French businessman, industrialist and politician. An alumnus of the École polytechnique (class of 1959), and of the École des Mines de Paris, he was a member of the Corps des mines. Mer was ...

(born 1939), a French businessman, industrialist and politician, former Minister of the Economy * Gideon Mer (1894-1961), an Israeli scientist working mostly on the eradication of malaria * M.E.R. ( Maria Elizabeth Rothmann), an Afrikaner writer *

Mer (community) Mer, Maher or Mehar (Gujarati language, Gujarati: ISO 15919: ''Mēr, Mahēr'', ''Mēhar'') is a caste from the Saurashtra (region), Saurashtra region of Gujarat in India. They are largely based in the Porbandar district, comprising the ''Ghēḍ ...

, a community found primarily in the Indian state of Gujarat

Places

* Mer, Loir-et-Cher, a commune in the Loir-et-Cher département of France *

Merionethshire Merionethshire, or Merioneth ( or '), was Historic counties of Wales, one of the thirteen counties of Wales that existed from 1536 until their abolishment in 1974. It was located in the North West Wales, north-west of Wales. Name 'Merioneth' is a ...

, historic county in Wales, Chapman code MER *

Murray Island, Queensland Murray may refer to: Businesses * Murray (bicycle company), an American bicycle manufacturer * Murray Motor Car Company, an American car manufacturer * Murrays, an Australian bus company * Murray International Trust, a Scottish investment trus ...

, known locally as Mer, an Australian island

Sports

Meralco Bolts The Meralco Bolts is a professional basketball team in the Philippine Basketball Association. The team began in 2010 after the Manila Electric Company (MERALCO) acquired the PBA franchise of the Sta. Lucia Realtors. The team is one of thre ...

, a team in the Philippine Basketball Association

Science

* Mer, a synonym for

repeat unit A repeat unit or repeating unit , or mer, is a part of a polymer whose repetition would produce the complete polymer chain (except for the end groups) by linking the repeat units together successively along the chain, like the beads of a necklace ...

in chemistry * ''Mer'', a type of geometric isomer of octahedral complexes (see ''fac''–''mer'' isomerism) * -mer, an affix meaning "part", used in several words in chemistry and biology * MERTK, MER, or proto-oncogene tyrosine-protein kinase MER, a human enzyme *

Membrane estrogen receptor Membrane estrogen receptors (mERs) are a group of receptor (biochemistry), receptors which bind estrogen. Unlike nuclear estrogen receptors, which mediate their effects via slower Genome, genomic mechanisms, mERs are cell surface receptors that rapi ...

, or mER, a receptor for estrogen * Proto-oncogene tyrosine-protein kinase MER (or MERTK or Mer) * abbreviation of Meridional, a direction on a globe *

Mercury transporter The mercury transporter superfamilyTC# 1.A.72 is a family of transmembrane bacterial transporters of mercury ions. The common origin of all Mer superfamily members has been established. The common elements between family members are included in TM ...

, Mer Superfamily of transport proteins

Technology

Mer (software distribution) Mer was a free and open-source software distribution, targeted at hardware vendors to serve as a middleware for Linux kernel-based mobile-oriented operating systems. It is a fork of MeeGo. Goals Some goals of the project are: * Openly develo ...

, a software distribution for operating systems based upon the Linux kernel targeted at mobile devices *

Mars Exploration Rover NASA's Mars Exploration Rover (MER) mission was a robotic space mission involving two Mars rovers, ''Spirit (rover), Spirit'' and ''Opportunity (rover), Opportunity'', exploring the planet Mars. It began in 2003 with the launch of the two rove ...

, one of a pair of robotic rovers exploring the surface of Mars * Modulation error ratio, a measure in communications for evaluation of digital transmission equipment * Mechanical equipment room or

mechanical room A mechanical room, boiler room or plant room is a technical room or space in a building dedicated to the mechanical equipment and its associated electrical equipment, as opposed to rooms intended for human occupancy or storage. Unless a buildi ...

, used for HVAC, water heaters, plumbing and electrical equipment * Project Mer, a 1958 U.S. Navy human spaceflight proposal to the Advanced Research Projects Agency

Transport

Manx Electric Railway The Manx Electric Railway ( Manx: ''Raad Yiarn Lectragh Vannin'') is an electric interurban tramway connecting Douglas, Laxey and Ramsey in the Isle of Man. It connects with the Douglas Bay Horse Tramway at its southern terminus at Derby Cas ...

, an interurban tramway on the Isle of Man *

Merthyr Tydfil railway station Merthyr Tydfil railway station serves the town of Merthyr Tydfil in Wales. It is the northern terminus of the Merthyr branch of the Merthyr Line. Passenger services are provided by Transport for Wales. The station has one platform and is situ ...

(National Rail station code), a railway station in Wales * Merri railway station, Melbourne

Other uses

* MER, acronym for "Minimum Essential Requirements" *

, a community native to the Porbandar region in Saurashtra, India * Mer, a planet from ''

The Pirates of Dark Water ''The Pirates of Dark Water'' is an American fantasy animated television series created by David Kirschner and produced by Hanna-Barbera. The series premiered as a five-part miniseries on Fox Kids early 1991, simply entitled ''Dark Water''. The ...

'' * Mer, a race in ''

The Elder Scrolls ''The Elder Scrolls'' is a series of action role-playing games, action role-playing video games primarily developed by Bethesda Game Studios and published by Bethesda Softworks. The series focuses on Nonlinear gameplay, free-form gameplay in an ...

'' series of video games * Mer, a given name related to

Margarete Margarete is a German feminine given name. It is derived from Ancient Greek ''margarites'' (μαργαρίτης), meaning "the pearl". Via the Latin ''margarita'', it arrived in the German sprachraum. Related names in English include Daisy, ...

* ''Mer'' (), the French word for "sea" * "Mer", a song by band

Hyukoh Hyukoh () is a South Korean indie band signed to DooRooDooRoo Artist Company. The band was formed in May 2014 and consists of leader, singer, and guitarist Oh Hyuk, bassist Im Dong-geon, guitarist Lim Hyun-jae, and drummer Lee In-woo. Career Ba ...

* Mer language (disambiguation) * ''Middle East Report'', a publication of the

Middle East Research and Information Project The Middle East Research and Information Project (MERIP) is a non-profit independent research group established in 1971, that publishes critical, alternative reporting and analysis, focusing on state power, political economy and social hierarchie ...

Movement for European Reform The Movement for European Reform (MER) was a centre-right European political alliance with conservative, pro-free market and Eurosceptic inclinations. It consisted of the Conservative Party of the United Kingdom and the Civic Democratic Par ...

, a pan-European political group